Merge "CCodecBufferChannel: do not clear tracked frames at flush" into udc-dev...

Merge "CCodecBufferChannel: do not clear tracked frames at flush" into udc-dev am: 4129c644 am: a1d62025 am: 0aea2430 am: 76250812

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/av/+/23040499



Change-Id: Idcd79a02ea914aa9fb3ca98761da2063fedf5eba
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>