Framework: NavBarColor (1/2)

Change-Id: I7ed579d95d921e08d8f9d0a9160605457b8c4cb3
Signed-off-by: PipelinerArd <kristoferard@gmail.com>

Conflicts:
	core/java/android/provider/Settings.java
	packages/SystemUI/src/com/android/systemui/statusbar/BackgroundAlphaColorDrawable.java
	packages/SystemUI/src/com/android/systemui/statusbar/NavigationBarView.java