Forward port battery icon options [1/2]

Bring forward the various battery icon options.
Portrait, Landscape, Circle, Text.

Still retains new options for where to display battery percentage text.

Change-Id: Icfc14d989eebde9014538291c24aa76d328df234

Conflicts:
	core/java/android/provider/Settings.java
	packages/SystemUI/src/com/android/systemui/statusbar/phone/KeyguardStatusBarView.java
	packages/SystemUI/src/com/android/systemui/statusbar/phone/PhoneStatusBar.java