Fast charge stuff from AOKP.

Change-Id: I1be0b83d59bcf9fb55f0d36c68efa26f0bbf9896
Signed-off-by: PipelinerArd <kristoferard@gmail.com>

Conflicts:
	core/res/res/values/config.xml
	packages/SystemUI/src/com/android/systemui/statusbar/policy/Prefs.java