to allow Create become virtual in the VideoDecoderFactory interface Bug: webrtc:15791 Change-Id: Id0d793164906473fa37346fa9177248ad8ef29bb Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/340341 Commit-Queue: Danil Chapovalov <danilchap@webrtc.org> Auto-Submit: Danil Chapovalov <danilchap@webrtc.org> Reviewed-by: Erik Språng <sprang@webrtc.org> Cr-Commit-Position: refs/heads/main@{#41791}