Revert the mandatory backups feature.

Bug: 79736299
Test: make RunSettingsGoogleRoboTests
Test: make RunSettingsRoboTests

Change-Id: Ie9702664c0fb4daccdee74eac6080c959fe1b608

res/values/strings.xml

@@ -8948,8 +8948,6 @@
     <string name="disabled_by_policy_title_camera">Camera not allowed</string>
     <!-- Title for dialog displayed to tell user that screenshots are disabled by an admin [CHAR LIMIT=50] -->
     <string name="disabled_by_policy_title_screen_capture">Screenshot not allowed</string>
-    <!-- Title for dialog displayed to tell user that turning off backups is disallowed by an admin [CHAR LIMIT=50] -->
-    <string name="disabled_by_policy_title_turn_off_backups">Can’t turn off backups</string>
     <!-- Title for dialog displayed to tell user that the app was suspended by an admin [CHAR LIMIT=50] -->
     <string name="disabled_by_policy_title_suspend_packages">Can’t open this app</string>
     <!-- Shown when the user tries to change a settings locked by an admin [CHAR LIMIT=200] -->
@@ -9749,8 +9747,6 @@
         <item quantity="one"><xliff:g id="count">%d</xliff:g> attempt</item>
         <item quantity="other"><xliff:g id="count">%d</xliff:g> attempts</item>
     </plurals>
-    <!-- List item in a work device's settings. This text lets the user know that their IT administrator requires their device's data to be backed up. The user can't change this setting. [CHAR LIMIT=NONE] -->
-    <string name="enterprise_privacy_backups_enabled">This device\'s data is being backed up</string>
     <!-- Message indicating that the device is enterprise-managed by a Device Owner [CHAR LIMIT=NONE] -->
     <string name="do_disclosure_generic">This device is managed by your organization.</string>
     <!-- Message indicating that the device is enterprise-managed by a Device Owner [CHAR LIMIT=NONE] -->

res/xml/enterprise_privacy_settings.xml

@@ -83,9 +83,6 @@
         <Preference android:key="ca_certs_managed_profile"
                     android:title="@string/enterprise_privacy_ca_certs_work"
                     android:selectable="false"/>
-        <Preference android:key="backups_enabled"
-                    android:title="@string/enterprise_privacy_backups_enabled"
-                    android:selectable="false"/>
     </PreferenceCategory>
 
     <PreferenceCategory android:key="device_access_category"

src/com/android/settings/enterprise/ActionDisabledByAdminDialogHelper.java

@@ -137,9 +137,6 @@ public class ActionDisabledByAdminDialogHelper {
             case DevicePolicyManager.POLICY_DISABLE_SCREEN_CAPTURE:
                 titleView.setText(R.string.disabled_by_policy_title_screen_capture);
                 break;
-            case DevicePolicyManager.POLICY_MANDATORY_BACKUPS:
-                titleView.setText(R.string.disabled_by_policy_title_turn_off_backups);
-                break;
             case DevicePolicyManager.POLICY_SUSPEND_PACKAGES:
                 titleView.setText(R.string.disabled_by_policy_title_suspend_packages);
                 break;

src/com/android/settings/enterprise/BackupsEnabledPreferenceController.java

@@ -1,37 +0,0 @@
-/*
- * Copyright (C) 2018 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file
- * except in compliance with the License. You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software distributed under the
- * License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
- * KIND, either express or implied. See the License for the specific language governing
- * permissions and limitations under the License.
- */
-package com.android.settings.enterprise;
-
-import android.content.Context;
-
-import com.android.settings.core.BasePreferenceController;
-import com.android.settings.overlay.FeatureFactory;
-
-public class BackupsEnabledPreferenceController extends BasePreferenceController {
-
-    private static final String KEY_BACKUPS_ENABLED = "backups_enabled";
-    private final EnterprisePrivacyFeatureProvider mFeatureProvider;
-
-    public BackupsEnabledPreferenceController(Context context) {
-        super(context, KEY_BACKUPS_ENABLED);
-        mFeatureProvider = FeatureFactory.getFactory(context)
-                .getEnterprisePrivacyFeatureProvider(context);
-    }
-
-    @Override
-    public int getAvailabilityStatus() {
-        return mFeatureProvider.areBackupsMandatory() ? AVAILABLE : DISABLED_FOR_USER;
-    }
-}
-

src/com/android/settings/enterprise/EnterprisePrivacyFeatureProvider.java

@@ -124,9 +124,4 @@ public interface EnterprisePrivacyFeatureProvider {
      * profile (if any).
      */
     int getNumberOfActiveDeviceAdminsForCurrentUserAndManagedProfile();
-
-    /*
-     * Returns whether backups are mandatory.
-     */
-    boolean areBackupsMandatory();
 }

src/com/android/settings/enterprise/EnterprisePrivacyFeatureProviderImpl.java

@@ -234,11 +234,6 @@ public class EnterprisePrivacyFeatureProviderImpl implements EnterprisePrivacyFe
         return activeAdmins;
     }
 
-    @Override
-    public boolean areBackupsMandatory() {
-        return null != mDpm.getMandatoryBackupTransport();
-    }
-
     protected static class EnterprisePrivacySpan extends ClickableSpan {
         private final Context mContext;
 

src/com/android/settings/enterprise/EnterprisePrivacySettings.java

@@ -84,7 +84,6 @@ public class EnterprisePrivacySettings extends DashboardFragment {
         exposureChangesCategoryControllers.add(new CaCertsCurrentUserPreferenceController(context));
         exposureChangesCategoryControllers.add(new CaCertsManagedProfilePreferenceController(
                 context));
-        exposureChangesCategoryControllers.add(new BackupsEnabledPreferenceController(context));
         controllers.addAll(exposureChangesCategoryControllers);
         controllers.add(new PreferenceCategoryController(context, "exposure_changes_category")
                 .setChildren(exposureChangesCategoryControllers));

tests/robotests/src/com/android/settings/enterprise/ActionDisabledByAdminDialogHelperTest.java

@@ -124,10 +124,6 @@ public class ActionDisabledByAdminDialogHelperTest {
         assertEquals(Shadows.shadowOf(textView).innerText(),
                 mActivity.getString(R.string.disabled_by_policy_title_screen_capture));
 
-        mHelper.setAdminSupportTitle(view, DevicePolicyManager.POLICY_MANDATORY_BACKUPS);
-        assertEquals(Shadows.shadowOf(textView).innerText(),
-                mActivity.getString(R.string.disabled_by_policy_title_turn_off_backups));
-
         mHelper.setAdminSupportTitle(view, DevicePolicyManager.POLICY_SUSPEND_PACKAGES);
         assertEquals(Shadows.shadowOf(textView).innerText(),
                 mActivity.getString(R.string.disabled_by_policy_title_suspend_packages));

tests/robotests/src/com/android/settings/enterprise/BackupsEnabledPreferenceControllerTest.java

@@ -1,73 +0,0 @@
-/*
- * Copyright (C) 2018 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package com.android.settings.enterprise;
-
-import static com.google.common.truth.Truth.assertThat;
-
-import static org.mockito.Mockito.when;
-
-import android.content.Context;
-
-import androidx.preference.Preference;
-
-import com.android.settings.testutils.FakeFeatureFactory;
-import com.android.settings.testutils.SettingsRobolectricTestRunner;
-
-import org.junit.Before;
-import org.junit.Test;
-import org.junit.runner.RunWith;
-import org.robolectric.RuntimeEnvironment;
-
-@RunWith(SettingsRobolectricTestRunner.class)
-public class BackupsEnabledPreferenceControllerTest {
-
-    private static final String KEY_BACKUPS_ENABLED = "backups_enabled";
-
-    private Context mContext;
-    private FakeFeatureFactory mFeatureFactory;
-
-    private BackupsEnabledPreferenceController mController;
-
-    @Before
-    public void setUp() {
-        mContext = RuntimeEnvironment.application;
-        mFeatureFactory = FakeFeatureFactory.setupForTest();
-        mController = new BackupsEnabledPreferenceController(mContext);
-    }
-
-    @Test
-    public void testIsAvailable() {
-        when(mFeatureFactory.enterprisePrivacyFeatureProvider.areBackupsMandatory())
-                .thenReturn(false);
-        assertThat(mController.isAvailable()).isFalse();
-
-        when(mFeatureFactory.enterprisePrivacyFeatureProvider.areBackupsMandatory())
-                .thenReturn(true);
-        assertThat(mController.isAvailable()).isTrue();
-    }
-
-    @Test
-    public void testHandlePreferenceTreeClick() {
-        assertThat(mController.handlePreferenceTreeClick(new Preference(mContext, null, 0, 0)))
-                .isFalse();
-    }
-
-    @Test
-    public void testGetPreferenceKey() {
-        assertThat(mController.getPreferenceKey()).isEqualTo(KEY_BACKUPS_ENABLED);
-    }
-}

tests/robotests/src/com/android/settings/enterprise/EnterprisePrivacyFeatureProviderImplTest.java

@@ -346,15 +346,6 @@ public class EnterprisePrivacyFeatureProviderImplTest {
                 .isEqualTo(3);
     }
 
-    @Test
-    public void testAreBackupsMandatory() {
-        assertThat(mProvider.areBackupsMandatory()).isFalse();
-        ComponentName transportComponent = new ComponentName("test", "test");
-        when(mDevicePolicyManager.getMandatoryBackupTransport())
-                .thenReturn(transportComponent);
-        assertThat(mProvider.areBackupsMandatory()).isTrue();
-    }
-
     private void resetAndInitializePackageManager() {
         reset(mPackageManager);
         when(mPackageManager.hasSystemFeature(PackageManager.FEATURE_DEVICE_ADMIN))

tests/robotests/src/com/android/settings/enterprise/EnterprisePrivacySettingsTest.java

@@ -99,7 +99,7 @@ public class EnterprisePrivacySettingsTest {
 
     private void verifyPreferenceControllers(List<AbstractPreferenceController> controllers) {
         assertThat(controllers).isNotNull();
-        assertThat(controllers.size()).isEqualTo(18);
+        assertThat(controllers.size()).isEqualTo(17);
         int position = 0;
         assertThat(controllers.get(position++)).isInstanceOf(NetworkLogsPreferenceController.class);
         assertThat(controllers.get(position++)).isInstanceOf(BugReportsPreferenceController.class);
@@ -126,8 +126,6 @@ public class EnterprisePrivacySettingsTest {
                 CaCertsCurrentUserPreferenceController.class);
         assertThat(controllers.get(position++)).isInstanceOf(
                 CaCertsManagedProfilePreferenceController.class);
-        assertThat(controllers.get(position++)).isInstanceOf(
-                BackupsEnabledPreferenceController.class);
         assertThat(controllers.get(position++)).isInstanceOf(
                 PreferenceCategoryController.class);
         assertThat(controllers.get(position++)).isInstanceOf(