Setting for navigation controls
Immediately show / hide navigation controls
Use persist.sys.nobootanimation
Navigation button color option

Change-Id: I13c547f9d0c953abedf1600c9bf34dbf169e600b

Conflicts:
	packages/SystemUI/src/com/android/systemui/statusbar/policy/KeyButtonView.java
Navigation button glow time and color options

Change-Id: Ie75b9d68cfbf86d3161d255279e4f87703c5338c