ScreenRecorder Back in the Power Menu

Change-Id: Ic5ba600340eadbb3d5a882408a9bba69b7e79e2b
Power menu for screenrecorder

Change-Id: I6ca2c0bfb78e3902b8a4ca00e61933d53c48999e
Add setting for system bars visibility on Keyguard in Expanded desktop mode.

And combine expanded settings into a category.

Change-Id: I8e5a718faae002280da37cdd68e292f01648751b