Settings: Specify notification types for Auto Hide statusbar (2/2)

Allows users to choose between "non-permanent only" and "all notifications" in the autohide
the statusbar when there are no notifications check.

Change-Id: I6b6484817b52bd14a428a3515f08b0a58927f38d

Conflicts:
	res/values/arrays.xml
	res/xml/status_bar.xml
	src/com/android/settings/slim/StatusBar.java