Merge "aaudio test: improve stealing test" into rvc-dev am: 1ae898a10c am: 96090febcd am: 61fe745347

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

Change-Id: I584d57cac9cb5d80c7bf48a9c1a246d1bc371a99