Directly use BaseIndexableProvider

- Add function getXmlResourceId, Fragments don't need to write
xml resource id twice.
- Remove getPreferenceControllers from Indexable.java. Because it will
move to SettingsLib later for other apps which don't need this function

Bug: 135053028
Test: robolectric
Change-Id: I1e74519aecdea3dde64a5aea79f08d766dbc0003

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

@@ -17,7 +17,6 @@ package com.android.settings.datausage;
 import android.app.settings.SettingsEnums;
 import android.content.Context;
 import android.os.Bundle;
-import android.provider.SearchIndexableResource;
 import android.view.Menu;
 import android.view.MenuInflater;
 import android.view.MenuItem;
@@ -26,14 +25,10 @@ import android.view.View;
 import com.android.settings.R;
 import com.android.settings.dashboard.DashboardFragment;
 import com.android.settings.search.BaseSearchIndexProvider;
-import com.android.settings.search.Indexable;
 import com.android.settingslib.applications.ApplicationsState;
 import com.android.settingslib.applications.ApplicationsState.AppFilter;
 import com.android.settingslib.search.SearchIndexable;
 
-import java.util.ArrayList;
-import java.util.List;
-
 @SearchIndexable
 public class UnrestrictedDataAccess extends DashboardFragment {
 
@@ -114,9 +109,9 @@ public class UnrestrictedDataAccess extends DashboardFragment {
 
     @Override
     protected int getPreferenceScreenResId() {
-        return R.xml.unrestricted_data_access_settings;
+        return SEARCH_INDEX_DATA_PROVIDER.getXmlResourceId();
     }
 
-    public static final Indexable.SearchIndexProvider SEARCH_INDEX_DATA_PROVIDER =
+    public static final BaseSearchIndexProvider SEARCH_INDEX_DATA_PROVIDER =
             new BaseSearchIndexProvider(R.xml.unrestricted_data_access_settings);
 }