HeadsUp: Clean up.

Change-Id: I98f445e7a4c92a34a3d9f63e14135e92416875ff
remove code causing FC

Change-Id: Id1fab0f7e2453c4762fd18e7de250ebbdab19915
Show notification on adb over network too

Screenshots - http://goo.gl/TgsRI6

Change-Id: I9ddc0aa9a4f330a06ab5d97a8645d1b31bb6f299

Conflicts:
	core/res/res/values/cm_strings.xml
	core/res/res/values/symbols.xml
	services/java/com/android/server/usb/UsbDeviceManager.java