Here, we overwrite the pending frames per renderer. Bug: webrtc:351858995 Change-Id: I070219aec4e7be5f2b0c9f2371fe2c99af3e3920 Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/358760 Reviewed-by: Zoé Lepaul <xalep@webrtc.org> Reviewed-by: Magnus Jedvert <magjed@webrtc.org> Reviewed-by: Fabian Bergmark <fabianbergmark@google.com> Commit-Queue: Zoé Lepaul <xalep@webrtc.org> Cr-Commit-Position: refs/heads/main@{#42741}