Merge "Audio policy: fix failure to unmute strategy." into rvc-dev am:...

Merge "Audio policy: fix failure to unmute strategy." into rvc-dev am: 6b72bc88 am: e9b0bf34 am: 9906e54d am: d6e38383

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/av/+/11845532

Change-Id: Ibe40ea1d3c9eb18c85005c8cb8be10d085a932b5