Add back hardware key settings.

Change-Id: I925fd9d9c02b86d8e93c8b9e25870433f7c20bde

Patch Set : 11

Conflicts:
	res/values/cm_arrays.xml
	res/values/cm_strings.xml
Fix build

Expanded desktop is not available now

Change-Id: Ic688c637bf6891ec7a29a80af33a997e4121534d
Suspend Actions & Wakelock Blocker (2/3)

Change-Id: I3634e526edc1dcb26058f34d6927578756a65e84
[2/2] Settings: Add time-context headers to the notification header

Change-Id: I2a21fa8a83dac215d62e1dd66e41883ee70ee3c3