Don't start FM Services if not supported

This will fix the crash when turning airplane mode.

Change-Id: Ib7c74b81e11a6bd9fa75228ff11ca376f62216b7
Signed-off-by: Dirk Rettschlag <dirk.rettschlag@gmail.com>

Conflicts:
	services/java/com/android/server/SystemServer.java