Merge "Allow to register RENDER AudioMix pointing to previously registered...

Merge "Allow to register RENDER AudioMix pointing to previously registered LOOPBACK AudioMix." into udc-dev am: 55825ec1 am: beac8043 am: 4f4f5d77

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/av/+/23693534



Change-Id: Ie45ad60aa9ac2393f652f56f404a8af2c16f710e
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>