QuickSettings: Camera tile [1/2]

Change-Id: Id0beb3dd559536bb5571ddc87cb0bcb4945b1a77

Conflicts:

	core/java/com/android/internal/util/slim/QSConstants.java
	packages/SystemUI/res/values/kang_strings.xml
	packages/SystemUI/res/values/slim_strings.xml
	packages/SystemUI/src/com/android/systemui/statusbar/phone/QuickSettingsController.java
add camera check to device utils for camera qs