am 27358a69: Only allow 8 OBBs to be mounted by a UID

Merge commit '27358a69b33eaa268ee75ef778ec824c8085adcc' into gingerbread-plus-aosp

* commit '27358a69b33eaa268ee75ef778ec824c8085adcc':
  Only allow 8 OBBs to be mounted by a UID