am 3d34fdb1: am 28cc9881: need send status code back(OK) after broadcast the intent(VENDOR_SPECIFIC_HEADSET_EVENT)

* commit '3d34fdb17090e476a5ccd6d7bb57d61d9f528eff':
  need send status code back(OK) after broadcast the intent(VENDOR_SPECIFIC_HEADSET_EVENT)