Merge "audio flinger: shared audio record fixes" into sc-dev am: d8b09dda am: f2a1e24c am: 9913f6d2

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/av/+/15311708

Change-Id: Iabf710c343ad322c5f705b205aecc8fd80081459