Merge "c2 vp9, av1: Produce 8 bit output when color format isn't set" into tm-dev am: fc3d02a1

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/av/+/18777641



Change-Id: I51757f197ef32a4968282174651b432511d514b9
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>