Port forward the app sidebar from chameleon

Change-Id: I12ef29f68e451e7a1b97ad962f6c161d5cc9ff89
Signed-off-by: scott <scott@ubuntu>

Conflicts:
	core/java/android/provider/Settings.java
	packages/SystemUI/src/com/android/systemui/statusbar/BaseStatusBar.java
	packages/SystemUI/src/com/android/systemui/statusbar/phone/PhoneStatusBar.java