CM Camera Tile (1/2)

Adds CM's live camera tile feature to AOSPA.

QuickSettings: Camera tile

Change-Id: Id0beb3dd559536bb5571ddc87cb0bcb4945b1a77

Conflicts:
	core/java/com/android/internal/util/cm/QSConstants.java
	core/java/com/android/internal/util/cm/QSUtils.java
	packages/SystemUI/res/values/cm_strings.xml
	packages/SystemUI/src/com/android/systemui/statusbar/phone/QuickSettingsController.java

Fix merge mistake

Change-Id: I8b23d408f64041772f38b62e1ee979126566fea6