Make system UI settings work for multi-user (2/2)

Change-Id: I88ab9fa0cb7791c5f9d859ab6531346f2aa55193
Merge "Make system UI settings work for multi-user (2/2)" into cm-10.1
Merge remote-tracking branch 'cm/cm-10.1' into cm-10.1

Conflicts:
	src/com/android/settings/cyanogenmod/SystemSettings.java