Added settings screens for Power Menu

This CL adds a new Preference in Gestures (Power Menu), moves Global
Actions to it (now renamed Cards & passes) and adds a new Preference for
Device controls.

Missing:
* Explanation video for Device controls
* Privacy settings

Test: robotests
Test: manual change settings
Bug: 152212779
Bug: 152329723
Change-Id: Ia8f69565307a5961c8435bc1f441abeb389acf8b