huashan: update: audio_policy for cleanup and fixing

Add in back microphone and VOIP calls should work/hangout audio :)
(Thanks @bagyusz).

Change-Id: I8abc8dcca61a07bb2b8c8d67050045618e0a32ba
Merge pull request #1 from CyanogenMod/cm-11.0

huashan: update: audio_policy for cleanup and fixing