Merge "Allow frame count regress in AudioStreamOut" into tm-dev am: f8ec839056

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/av/+/18230820

Change-Id: Ic52c937d02ace2697e0495eaa44b4e74f9f9ff6f
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>