[2/2] NavigationBar Customization

Navigation Bar edit tutorial PNG

PS2: derp in display_settings.xml
PS3: NavBar.java Import DeviceUtils helper class and implement it for 'isPhone'

Change-Id: Ic413e209c1185b19dea6484d8388908beee5a7ed

Conflicts:
	res/xml/display_settings.xml

Conflicts:
	res/values/pa_strings.xml
	res/xml/display_settings.xml