Settings: Bring back Volume dialog features (1/2)

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

Change-Id: I7b1057489bbd1fd62ace0b1a724896c78ece4f5c
Merge remote-tracking branch 'cm/cm-11.0' into CM