Notification drawer: full swipe to switch detection

Non-optional

Change-Id: I46520f7f69c58996136a2a8d6b189a2278faa289

Conflicts:
	packages/SystemUI/src/com/android/systemui/statusbar/phone/NotificationPanelView.java
Frameworks: disable the hardware keys when navbar is enabled (1/2)

Change-Id: I2fef53c6d753a0628b34d77ea63e06a8a645424d