Merge "audio flinger: shared audio record fixes" into sc-dev am: d8b09dda...

Merge "audio flinger: shared audio record fixes" into sc-dev am: d8b09dda am: 05bb4d19 am: a50b854a

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

Change-Id: I0d2acdbd37b22f017f51fceb0a89d881e118c2e4