Speed up notification pullup & pulldown

based on an idea by Mr.Nigma @xda:
http://forum.xda-developers.com/showthread.php?t=2267307

Change-Id: I61213058b5cedddf90e974713af05c038e3af039
Start music player if headset is connected
https://github.com/SlimRoms/frameworks_base/commit/d5f5b0c98c76ab95684873aad234759da9eb5a62