Use the correct resource id for Battery use shortcut title.

Bug: 3399262

When displaying a list of shortcuts to settings screens, "Storage
settings" was used instead of "Battery use".

Change-Id: I4d445f188fc45d66623dc83e9eb2f9b045899561
diff --git a/AndroidManifest.xml b/AndroidManifest.xml
index 334a9d9..62a8832 100644
--- a/AndroidManifest.xml
+++ b/AndroidManifest.xml
@@ -1016,7 +1016,7 @@
 
         <activity android:name="Settings$PowerUsageSummaryActivity"
                 android:theme="@android:style/Theme.Holo"
-                android:label="@string/storage_settings_title">
+                android:label="@string/power_usage_summary_title">
             <intent-filter>
                 <action android:name="android.intent.action.MAIN" />
                 <action android:name="android.intent.action.POWER_USAGE_SUMMARY" />