Update strings in battery settings.

1. Message in high usage dialog
2. Title in app usage list

Change-Id: Iac610483e10e8d2a93a18ca664aec17d9561aaf8
Fixes: 78638843
Test: RunSettingsRoboTests

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

@@ -193,14 +193,7 @@ public class BatteryAppListPreferenceController extends AbstractPreferenceContro
         }
 
         mBatteryStatsHelper = statsHelper;
-        final long lastFullChargeTime = mBatteryUtils.calculateLastFullChargeTime(
-                mBatteryStatsHelper, System.currentTimeMillis());
-        final CharSequence timeSequence = StringUtil.formatRelativeTime(mContext,
-                lastFullChargeTime,
-                false);
-        final int resId = showAllApps ? R.string.power_usage_list_summary_device
-                : R.string.power_usage_list_summary;
-        mAppListGroup.setTitle(TextUtils.expandTemplate(mContext.getText(resId), timeSequence));
+        mAppListGroup.setTitle(R.string.power_usage_list_summary);
 
         final PowerProfile powerProfile = statsHelper.getPowerProfile();
         final BatteryStats stats = statsHelper.getStats();

src/com/android/settings/fuelgauge/batterytip/BatteryTipDialogFragment.java

@@ -94,10 +94,7 @@ public class BatteryTipDialogFragment extends InstrumentedDialogFragment impleme
 
                 return new AlertDialog.Builder(context)
                         .setMessage(getString(R.string.battery_tip_dialog_message,
-                                highUsageTip.getHighUsageAppList().size(),
-                                StringUtil.formatRelativeTime(context,
-                                        highUsageTip.getLastFullChargeTimeMs(),
-                                        false /* withSeconds */)))
+                                highUsageTip.getHighUsageAppList().size()))
                         .setView(view)
                         .setPositiveButton(android.R.string.ok, null)
                         .create();