Merge "AudioFlinger: avoid doing balance before downmixing" into tm-d1-dev am:...

Merge "AudioFlinger: avoid doing balance before downmixing" into tm-d1-dev am: 8edaa192 am: 079a0796 am: 965e9181

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/av/+/18995080



Change-Id: I13e62984fe48bed6a5c0f12af6131d671bf826b1
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>