Switch to open source superuser

Change-Id: I0882b4bb296af041ec5766ff29a605554f13b0a7
Switch to new Superuser

Change-Id: I9d91392ad6fbc9953d19059ab59b91d214c00e0c

Conflicts:

	AndroidManifest.xml
	proguard.flags
	res/xml/settings_headers.xml