Notification drawer: full swipe to switch detection (1/2)

Add an option to detect swipe to switch on full screen, not just the bottom bar

Change-Id: Ib02df40afd95705910955b69645eeb3c49047b18

Conflicts:

	core/java/android/provider/Settings.java
	packages/SystemUI/src/com/android/systemui/statusbar/phone/NotificationPanelView.java