Add margaritov colorpicker, EasyPair object, and util functions

This is needed for upcoming features. Credit CarbonDev as I took these files from their
source and credit to the original authors as well
HALO: Circle, Bubble, text colors

Conflicts:
	res/xml/tool_bar_settings.xml
	src/com/android/settings/paranoid/Toolbar.java

Change-Id: I49902171fd20301cb13e0e9dd6bd729774bfa304
HALO: Ability to disable/enable custom colors, Effect color added

Conflicts:
	res/xml/tool_bar_settings.xml
	src/com/android/settings/paranoid/Toolbar.java

Change-Id: I2f4c081798a6d48827a57be32cf8c1a719b44424