am 70c3507d: am 450b10c9: am d0f9dc71: am e0a65f30: am f5af3a72: am 6d80b687: audio policy: validate stream type received from binder calls.

* commit '70c3507d915baaa5a0ab163eeb0a445030f4f492':
  audio policy: validate stream type received from binder calls.