Merge "disable audio balance in voip call for mono channel" am: aa35085d am: 90a5afaa

Original change: https://android-review.googlesource.com/c/platform/frameworks/av/+/2390553



Change-Id: I83549af690318d2db781407178314b658221eeb1
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>