Add Search / Indexing to Data Usage / Mobile Hotspots

- implement a BaseSearchIndexProvider and pass all the needed
strings to index (including the Wi-Fi SSIDs)

Change-Id: Ic7a640c76cd7c2af77585e87e216b283af61a29e

src/com/android/settings/search/SearchIndexableResources.java

@@ -37,6 +37,7 @@ import com.android.settings.fuelgauge.BatterySaverSettings;
 import com.android.settings.fuelgauge.PowerUsageSummary;
 import com.android.settings.inputmethod.InputMethodAndLanguageSettings;
 import com.android.settings.location.LocationSettings;
+import com.android.settings.net.DataUsageMeteredSettings;
 import com.android.settings.notification.NotificationDisplaySettings;
 import com.android.settings.notification.NotificationSettings;
 import com.android.settings.notification.OtherSoundSettings;
@@ -85,6 +86,13 @@ public final class SearchIndexableResources {
                         DataUsageSummary.class.getName(),
                         R.drawable.ic_settings_data_usage));
 
+        sResMap.put(DataUsageMeteredSettings.class.getName(),
+                new SearchIndexableResource(
+                        Ranking.getRankForClassName(DataUsageMeteredSettings.class.getName()),
+                        NO_DATA_RES_ID,
+                        DataUsageMeteredSettings.class.getName(),
+                        R.drawable.ic_settings_data_usage));
+
         sResMap.put(WirelessSettings.class.getName(),
                 new SearchIndexableResource(
                         Ranking.getRankForClassName(WirelessSettings.class.getName()),