Merge "aaudio test: improve stealing test" into rvc-dev am: 1ae898a1 am: 1de621d4 am: 3bb28d0f

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/av/+/11659500

Change-Id: Ie5cac190acfe52ccb550e0eae76e5c068bf3b218