When encoder selector is not enabled, currently we always fallback to
VP8 no matter how the codec preference is setup. Update to follow codec
preference order for the fallback.
Bug: chromium:378566918
Change-Id: Ia3fbfc9d407683ef7b3d6246af7e9ec58535dc89
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/370707
Reviewed-by: Erik Språng <sprang@webrtc.org>
Reviewed-by: Henrik Boström <hbos@webrtc.org>
Commit-Queue: Jianlin Qiu <jianlin.qiu@intel.com>
Reviewed-by: Harald Alvestrand <hta@webrtc.org>
Reviewed-by: Sergey Silkin <ssilkin@webrtc.org>
Cr-Commit-Position: refs/heads/main@{#43566}
1ad3e14e99