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