Revert "audio: fix VOIP"

This reverts commit 470eaa1d5d45be87498b88b509e969e7147d35c5.

Kills voice audio - needs more investigations

Change-Id: I58cb3d7ae89ec7471581a5e78098229c121a0e01
Merge "Revert "audio: fix VOIP"" into android-4.4