Merge "[Settings] Code refactor DataSaverSummary"

src/com/android/settings/datausage/DataSaverSummary.java

@@ -32,7 +32,6 @@ import com.android.settings.search.BaseSearchIndexProvider;
 import com.android.settings.widget.SettingsMainSwitchBar;
 import com.android.settingslib.applications.ApplicationsState;
 import com.android.settingslib.applications.ApplicationsState.AppEntry;
-import com.android.settingslib.applications.ApplicationsState.Callbacks;
 import com.android.settingslib.applications.ApplicationsState.Session;
 import com.android.settingslib.search.SearchIndexable;
 import com.android.settingslib.widget.OnMainSwitchChangeListener;
@@ -41,7 +40,7 @@ import java.util.ArrayList;
 
 @SearchIndexable
 public class DataSaverSummary extends SettingsPreferenceFragment
-        implements OnMainSwitchChangeListener, Listener, Callback, Callbacks {
+        implements OnMainSwitchChangeListener, Listener, Callback {
 
     private static final String KEY_UNRESTRICTED_ACCESS = "unrestricted_access";
 
@@ -152,46 +151,6 @@ public class DataSaverSummary extends SettingsPreferenceFragment
                 R.plurals.data_saver_unrestricted_summary, count, count));
     }
 
-    @Override
-    public void onRunningStateChanged(boolean running) {
-
-    }
-
-    @Override
-    public void onPackageListChanged() {
-
-    }
-
-    @Override
-    public void onRebuildComplete(ArrayList<AppEntry> apps) {
-
-    }
-
-    @Override
-    public void onPackageIconChanged() {
-
-    }
-
-    @Override
-    public void onPackageSizeChanged(String packageName) {
-
-    }
-
-    @Override
-    public void onAllSizesComputed() {
-
-    }
-
-    @Override
-    public void onLauncherInfoChanged() {
-
-    }
-
-    @Override
-    public void onLoadEntriesCompleted() {
-
-    }
-
     public static final BaseSearchIndexProvider SEARCH_INDEX_DATA_PROVIDER =
             new BaseSearchIndexProvider(R.xml.data_saver) {