Frameworks: fix typo

Change-Id: I58dc2bc1e510101f0c180be34442722c90cc9a57
Framewors: bluetoothmanager avoid NPE

callback on unregister get sometimes null. Not sure
where it comes from currently due that all instances
calling the unregisterStateChangeCallback are
well. Whatever to prevend the NPE check callback for null
like stated in RemoteCallBackList.java

Change-Id: Ie49c2a507dcecdbdaa155fd1a5d93fc5d6a2baf8
ListView Animations (1/2)

Change-Id: I5e72934c148daf3d3b36a5812f51d29c7fd98c94

Conflicts:
	core/java/android/provider/Settings.java