Settings: Bring back the new Quiet Hours UI

Change-Id: I3bb78cb9c8ccf6df295bd724e32d97646144a6b9
Signed-off-by: Scott <scott@ubuntu>

Conflicts:
	res/values/cm_strings.xml
Settings: Bring back Volume dialog features (1/2)

Change-Id: I5ba066923413d5fc60a523edfba07d634871b771
Settings: Bring back Maximize widgets (2/2)

Change-Id: I7b1057489bbd1fd62ace0b1a724896c78ece4f5c
Add slim class to Proguard
Add Notification Draw custom background + notification row transparency