Make the fragment title can’t searchable

we shouldn't take users so deep into the settings IA because it's easy
to feel lost in settings after clicking on a result without additional
context.

Bug: 143055215
Test: robotest & manual
Change-Id: I337cb5ead31e1e4e7bf9be78132e90630f83ee43

src/com/android/settings/fuelgauge/TopLevelBatteryPreferenceController.java

@@ -48,8 +48,7 @@ public class TopLevelBatteryPreferenceController extends BasePreferenceControlle
     @Override
     public int getAvailabilityStatus() {
         return mContext.getResources().getBoolean(R.bool.config_show_top_level_battery)
-                ? AVAILABLE_UNSEARCHABLE
-                : UNSUPPORTED_ON_DEVICE;
+                ? AVAILABLE : UNSUPPORTED_ON_DEVICE;
     }
 
     @Override