Bring this up to speed on the Settings changes in N:
* Use support libs for preferences
* Hook up to Settings drawer through SettingsDrawerActivity
Change-Id: I9365b3ebd1bbfed2936302e30da50e3f9af06665
* Added custom service that uses proximity sensor in wake-up mode
to trigger display on
* If more sensor triggers are suitable to use, they can be added
to the service
Change-Id: Id0849fb5c17ff569d771a19cebfc579dc93dbc48
Bruno Martins