add torch tile.
patch 1 - show torch only on device with flash
patch 2 - add collapse panels to onClick and onLongClick
patch 3 - don't use labels and icons id. use one icon

Conflicts:
	packages/SystemUI/src/com/android/systemui/statusbar/phone/QuickSettings.java
	packages/SystemUI/src/com/android/systemui/statusbar/phone/QuickSettingsModel.java