[Framework] Add custom circle battery options - SlimBean port
    new slim feature

    - custom circle color
    - custom circle text color
    - custom animation speed
    - compatibel to all themes from theme engine
    - option to reset it to theme behaviour

Credit and Thanks to SlimBean

Change-Id: I5dfebb24d5ec0cfa5079d7ccb54fb406366ed647

Conflicts:
	packages/SystemUI/src/com/android/systemui/statusbar/policy/CircleBattery.java