per app color fix

Change-Id: Ib5360af4db1d4e0bb62d677a90440de662989d42

Conflicts:

	core/java/android/provider/Settings.java
fix pac alpha flicker

Change-Id: Ia7122f965382b9686d53e4a518093f2bc76709f7

Conflicts:

	packages/SystemUI/src/com/android/systemui/statusbar/phone/NavigationBarView.java