Revert "CircleBattery layout fixup after custom statusbar font size patch"

This reverts commit 440ef7e0d2b612a90e13c1411d5870767c0529cc.
CircleBattery fix layout for statusbar font size change

Change-Id: I108f522b11936bd90d131a5342c0f8fea33ef9a1
Improve auto-brightness handling

- Add a setting to control the auto-brightness algorithm responsitivity
- Make the algorithm react much faster when the ambient brightness
  increases quickly, e.g. when receiving a call in bright sunlight.

Change-Id: Ic608901c476609dde69cae982228c09567140a83

Conflicts:
	core/java/android/provider/Settings.java
	services/java/com/android/server/power/DisplayPowerController.java

Conflicts:
	services/java/com/android/server/power/DisplayPowerController.java