Merge "aaudio: clear data buffer before use" into sc-dev am: c52f8f4e am:...

Merge "aaudio: clear data buffer before use" into sc-dev am: c52f8f4e am: 36c3e800 am: 86fd0242

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/av/+/14753194

Change-Id: Ic0f30977268fa09b845655a6efe5a764bc56e9a5