Add high power whitelist for apps

- Strings not final!
 - New UX for power usage details (more preferency)
 - Add high power apps list shows on/off and screen to
   change (when possible)
 - Link from power usage summary to high power list
 - Link from advanced apps to high power list

Bug: 19991702
Change-Id: I97c927ed82d3b89041e4429b427508545763d66c

src/com/android/settings/applications/LayoutPreference.java

@@ -45,7 +45,9 @@ public class LayoutPreference extends Preference {
                 .inflate(layoutResource, null, false);
 
         final ViewGroup allDetails = (ViewGroup) view.findViewById(R.id.all_details);
-        Utils.forceCustomPadding(allDetails, true /* additive padding */);
+        if (allDetails != null) {
+            Utils.forceCustomPadding(allDetails, true /* additive padding */);
+        }
         mRootView = view;
         setShouldDisableView(false);
     }