Merge "codec2 vndk: clean up block pool cache when it's released" into...

Merge "codec2 vndk: clean up block pool cache when it's released" into sc-qpr1-dev am: 549c8132 am: 212d46b3 am: 374eef2c

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/av/+/15788847

Change-Id: Iabe463438b512dcd6437015cae618cd4c7805146