am 230e5a78: Disable response for CMD_UNSOL_CALL_RING in mock ril

Merge commit '230e5a78415e41e7e41f087e369a589ca8d9c83e' into gingerbread-plus-aosp

* commit '230e5a78415e41e7e41f087e369a589ca8d9c83e':
  Disable response for CMD_UNSOL_CALL_RING in mock ril