Add a few pages to search index.

- Data saver
- A few special permission access pages
   - Picture-in-picture
   - Premium sms
   - do not disturb access
- And a unrelated cleanup: move EmptyTextFragment from
  notification/ to widget/

Bug: 70720645
Test: robotests
Change-Id: I6a87f712bf81f9fd32fa9a3826fba851ca748409

tests/robotests/src/com/android/settings/applications/specialaccess/pictureinpicture/PictureInPictureDetailPreferenceControllerTest.java

@@ -14,7 +14,7 @@
  * limitations under the License.
  */
 
-package com.android.settings.applications.appinfo;
+package com.android.settings.applications.specialaccess.pictureinpicture;
 
 import static com.google.common.truth.Truth.assertThat;
 import static org.mockito.Mockito.doReturn;
@@ -25,6 +25,7 @@ import static org.mockito.Mockito.when;
 import android.content.Context;
 
 import com.android.settings.R;
+import com.android.settings.applications.appinfo.AppInfoDashboardFragment;
 import com.android.settings.core.BasePreferenceController;
 import com.android.settings.testutils.SettingsRobolectricTestRunner;
 

tests/robotests/src/com/android/settings/applications/specialaccess/pictureinpicture/PictureInPictureDetailsTest.java

@@ -11,10 +11,10 @@
  * 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
+ * limitations under the License.
  */
 
-package com.android.settings.applications.appinfo;
+package com.android.settings.applications.specialaccess.pictureinpicture;
 
 import static com.google.common.truth.Truth.assertThat;
 import static org.mockito.ArgumentMatchers.nullable;

tests/robotests/src/com/android/settings/applications/specialaccess/pictureinpicture/PictureInPictureSettingsTest.java

@@ -11,10 +11,10 @@
  * 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
+ * limitations under the License.
  */
 
-package com.android.settings.applications.appinfo;
+package com.android.settings.applications.specialaccess.pictureinpicture;
 
 import static com.google.common.truth.Truth.assertThat;
 import static org.mockito.Matchers.anyInt;

tests/robotests/src/com/android/settings/applications/specialaccess/premiumsms/PremiumSmsAccessTest.java

@@ -11,10 +11,10 @@
  * 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
+ * limitations under the License.
  */
 
-package com.android.settings.applications;
+package com.android.settings.applications.specialaccess.premiumsms;
 
 import static org.mockito.ArgumentMatchers.nullable;
 import static org.mockito.Matchers.eq;
@@ -24,6 +24,7 @@ import android.content.Context;
 
 import com.android.internal.logging.nano.MetricsProto;
 import com.android.internal.telephony.SmsUsageMonitor;
+import com.android.settings.applications.specialaccess.premiumsms.PremiumSmsAccess;
 import com.android.settings.testutils.FakeFeatureFactory;
 import com.android.settings.testutils.SettingsRobolectricTestRunner;
 

tests/robotests/src/com/android/settings/applications/specialaccess/premiumsms/PremiumSmsControllerTest.java

@@ -14,8 +14,9 @@
  * limitations under the License.
  */
 
-package com.android.settings.applications.specialaccess;
+package com.android.settings.applications.specialaccess.premiumsms;
 
+import static com.android.settings.core.BasePreferenceController.AVAILABLE_UNSEARCHABLE;
 import static com.google.common.truth.Truth.assertThat;
 import static org.mockito.Mockito.spy;
 
@@ -44,13 +45,13 @@ public class PremiumSmsControllerTest {
     }
 
     @Test
-    public void testPremiumSms_byDefault_shouldBeShown() {
-        assertThat(mController.isAvailable()).isTrue();
+    public void getAvailability_byDefault_shouldBeShown() {
+        assertThat(mController.getAvailabilityStatus()).isEqualTo(AVAILABLE_UNSEARCHABLE);
     }
 
     @Test
     @Config(qualifiers = "mcc999")
-    public void testPremiumSms_ifDisabled_shouldNotBeShown() {
+    public void getAvailability_disabled_returnUnavailable() {
         assertThat(mController.isAvailable()).isFalse();
     }
 }

tests/robotests/src/com/android/settings/applications/specialaccess/premiumsms/PremiumSmsScreenPreferenceControllerTest.java

@@ -0,0 +1,57 @@
+/*
+ * 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.applications.specialaccess.premiumsms;
+
+import static com.android.settings.core.BasePreferenceController.AVAILABLE;
+import static com.google.common.truth.Truth.assertThat;
+import static org.mockito.Mockito.spy;
+
+import android.content.Context;
+
+import com.android.settings.testutils.SettingsRobolectricTestRunner;
+
+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)
+public class PremiumSmsScreenPreferenceControllerTest {
+
+    private Context mContext;
+    private PremiumSmsScreenPreferenceController mController;
+
+    @Before
+    public void setUp() {
+        MockitoAnnotations.initMocks(this);
+        mContext = spy(RuntimeEnvironment.application.getApplicationContext());
+        mController = new PremiumSmsScreenPreferenceController(mContext, "key");
+    }
+
+    @Test
+    public void getAvailability_byDefault_shouldBeShown() {
+        assertThat(mController.getAvailabilityStatus()).isEqualTo(AVAILABLE);
+    }
+
+    @Test
+    @Config(qualifiers = "mcc999")
+    public void getAvailability_disabled_returnUnavailable() {
+        assertThat(mController.isAvailable()).isFalse();
+    }
+}