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: a864b740 am: f75de659

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

Change-Id: Id873a95300d912d4612ae16e2be4eab960b17590