* Remove unused classes, methods, interfaces, imports
* Reorder imports
* Add final where applicable
* Fix line lengths
* Use local variables where possible
* Replace deprecated Vibrator.vibrate(long) with the successor
* Simplify conditions where they are always met
* Rearrange tags and remove unused schemas in resources
* Merge ScreenReceiver into the service
-> a separate, instantiated but never called-into class makes
one think it's unused
Change-Id: I05cff7ecaf424c166fedceb1f4f8963164c6085a
* Make follow system accents as well
Change-Id: I8ea63f82e079ba7868313c14e4973f9c1dd9789d
(cherry picked from commit c9999dacb17c2372be960a05789b603f827dad2b)
