Merge "Revert "ImageDecoder: add "image/avif" to support list"" into udc-dev am: 0163dce7

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/22259553



Change-Id: Ic0d1b025ed01b2dedcae8bc1d16332a677978356
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>