Pie Toggle (2/2)

This will allow the user to toggle Pie on/off from Quick Settings
without having to go through RootBox Settings.

Conflicts:
	packages/SystemUI/res/drawable-hdpi/ic_qs_statusbar_off.png
	packages/SystemUI/res/drawable-hdpi/ic_qs_statusbar_on.png
	packages/SystemUI/res/drawable-xhdpi/ic_qs_statusbar_off.png
	packages/SystemUI/res/drawable-xhdpi/ic_qs_statusbar_on.png
	packages/SystemUI/res/values/strings.xml
	packages/SystemUI/res/values/strings_toggles.xml
	packages/SystemUI/src/com/android/systemui/statusbar/toggles/ToggleManager.java