HALO: Circle, Bubble, text colors

Signed-off-by: Paul Beeler <sparksco@gmail.com>

Conflicts:
	core/java/android/provider/Settings.java
	packages/SystemUI/res/drawable-xhdpi/halo_bg.png
	packages/SystemUI/res/layout/halo_bubble.xml
	packages/SystemUI/res/layout/halo_speech.xml
	packages/SystemUI/src/com/android/systemui/statusbar/halo/HaloProperties.java