Merge "[AudioPolicyManager] Voice Downlink Sink device selection" am: 0361312f05 am: 3e4db4aeaf

Original change: https://android-review.googlesource.com/c/platform/frameworks/av/+/1575263

MUST ONLY BE SUBMITTED BY AUTOMERGER

Change-Id: I566642d11cdbe24ca4a7b778be15b5e4553304e2