STE Multimedia Fix [1/4]
AudioPolicyService: Support MR1 audio_policy
AV : STE-OMX Fix Video Streaming.

-Finally found a fix for the underlying usebuffer problem.

-This should fix streaming video on alot of apps. I have tested
this with Crackle and Twitch both of which are working with this
patch.

-May also render my previous Instagram fix unneccessary. ( not tested )