Remove PowerUsageDetail.java

Now we use AdvancedPowerUsageDetail instead.

This cl also:
1. Remove PowerUsageDetail in SearchIndexableResources since we
don't want to index PowerUsageDetail
2. Add AdvancedPowerUsageDetail in SettingsGateway

Bug: 36992358
Test: Build
Change-Id: I598bb159aa2b5a4889071ae9a17d29554e6afe11

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

@@ -58,7 +58,6 @@ import java.util.List;
  * 1. Detail battery usage information for app(i.e. usage time, usage amount)
  * 2. Battery related controls for app(i.e uninstall, force stop)
  *
- * This fragment will replace {@link PowerUsageDetail}
  */
 public class AdvancedPowerUsageDetail extends PowerUsageBase implements
         ButtonActionDialogFragment.AppButtonsDialogListener {