To implement rule "Chains protecting no active decode targets MUST be ignored." from https://aomediacodec.github.io/av1-rtp-spec/#a44-switching Bug: webrtc:10342 Change-Id: Ibe5e0b7b6ab8955419d0d9f996c6397f442e1cda Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/177668 Commit-Queue: Danil Chapovalov <danilchap@webrtc.org> Reviewed-by: Philip Eliasson <philipel@webrtc.org> Cr-Commit-Position: refs/heads/master@{#31566}