SystemUI: do not collapse panels if keyevent was canceled.

Change-Id: I9af82e9fa2305142521075938dfd05521adeb9f4
Notification ROW transparency (1/2)

Change-Id: I2deb2cf624c4172cab1058e97f92be4bc0b16be6

Conflicts:
	core/java/android/provider/Settings.java
	packages/SystemUI/src/com/android/systemui/statusbar/phone/PhoneStatusBar.java
Prevent possible NPE with WifiLabel