Merge "CCodec: push a blank buffer at the end correctly" into tm-qpr-dev am: 918a6f39

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/av/+/21654185



Change-Id: I1db88c1113d7113f78811797a99e89182dddf515
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>