Merge "Update initialization data to CodecPrivate format for VP9" into main am: 2dfaebcf66

Original change: https://android-review.googlesource.com/c/platform/frameworks/av/+/3281477

Change-Id: I04cf62a6ca2e15b63cad7fd86e94ea201ebec6d7
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>