Modified the PrivacySettings and add PreferenceControllers

- Changed the PrivacySettings to DashboardFragment.
- Added the new five related PreferenceControllers and related codes
- Modified the privacy_settings.xml
- Removed the PrivacySettingsTest test by design changed
- Moved the PrivacySettings.java from root directory to backup

Test: manual
Test: make RunSettingsRoboTests
Change-Id: Ic88e2e58a11d024d2394f75c3db5b46fe2d86dba

tests/robotests/src/com/android/settings/backup/BackupInactivePreferenceControllerTest.java

@@ -0,0 +1,77 @@
+/*
+ * 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.backup;
+
+import static com.google.common.truth.Truth.assertThat;
+
+import android.content.Context;
+import android.support.v7.preference.Preference;
+
+import com.android.settings.core.BasePreferenceController;
+import com.android.settings.testutils.SettingsRobolectricTestRunner;
+
+import org.junit.After;
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.mockito.MockitoAnnotations;
+import org.robolectric.RuntimeEnvironment;
+import org.robolectric.annotation.Config;
+
+@RunWith(SettingsRobolectricTestRunner.class)
+@Config(shadows = {ShadowPrivacySettingsUtils.class})
+public class BackupInactivePreferenceControllerTest {
+    private Context mContext;
+    private BackupInactivePreferenceController mController;
+    private Preference mPreference;
+
+    @Before
+    public void setUp() {
+        MockitoAnnotations.initMocks(this);
+        mContext = RuntimeEnvironment.application;
+        mController = new BackupInactivePreferenceController(mContext,
+                PrivacySettingsUtils.BACKUP_INACTIVE);
+    }
+
+    @After
+    public void tearDown() {
+        ShadowPrivacySettingsUtils.reset();
+    }
+
+    @Test
+    public void getAvailabilityStatus_isAdmiUser_isnotInvisibleKey_shouldBeAvailable() {
+        ShadowPrivacySettingsUtils.setIsAdminUser(true);
+        ShadowPrivacySettingsUtils.setIsInvisibleKey(false);
+        assertThat(mController.getAvailabilityStatus())
+                .isEqualTo(BasePreferenceController.AVAILABLE);
+    }
+
+    @Test
+    public void getAvailabilityStatus_isnotAdmiUser_shouldBeDisabledForUser() {
+        ShadowPrivacySettingsUtils.setIsAdminUser(false);
+        assertThat(mController.getAvailabilityStatus())
+                .isEqualTo(BasePreferenceController.DISABLED_FOR_USER);
+    }
+
+    @Test
+    public void getAvailabilityStatus_isAdmiUser_isInvisibleKey_shouldBeDisabledUnsupported() {
+        ShadowPrivacySettingsUtils.setIsAdminUser(true);
+        ShadowPrivacySettingsUtils.setIsInvisibleKey(true);
+        assertThat(mController.getAvailabilityStatus())
+                .isEqualTo(BasePreferenceController.DISABLED_UNSUPPORTED);
+    }
+}