Added Volume Tile to Quicksettings

Drawable by blunden

Change-Id: I04451d8b4669ae0d4f798010a4c61e5e82990b76

Conflicts:
	core/java/com/android/internal/util/cm/QSConstants.java
	packages/SystemUI/src/com/android/systemui/statusbar/phone/QuickSettingsController.java