This is a follow-up to https://webrtc-review.googlesource.com/c/src/+/295724. Test is still failing sometimes. Add additional constraint. Bug: webrtc:14952 Change-Id: Iddc2733459733c0f3e40aea303752f055cb865c5 Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/295665 Reviewed-by: Henrik Boström <hbos@webrtc.org> Commit-Queue: Henrik Boström <hbos@webrtc.org> Auto-Submit: Johannes Kron <kron@webrtc.org> Cr-Commit-Position: refs/heads/main@{#39441}