Merge "APV Encoder: properly initialize frame holders and fix initializations" into main am: 78a4ab5e06

Original change: https://android-review.googlesource.com/c/platform/frameworks/av/+/3341385

Change-Id: If09b1506c43ff1d710731433670a69902752ae09
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>