Merge "MEPG4Writer:return track errors to clients" into rvc-dev am: ea5f4133c7 am: 344a6065d7

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/av/+/11708138

Change-Id: I395839de88cda129f8b3d20052cc7d6fd46db5f4