To force SvcRateAllocator use propagated rather than global field trials
Bug: webrtc:42220378
Change-Id: I0ca3186ee2428aafe3d7f093603b708e03ada121
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/362722
Commit-Queue: Åsa Persson <asapersson@webrtc.org>
Auto-Submit: Danil Chapovalov <danilchap@webrtc.org>
Reviewed-by: Åsa Persson <asapersson@webrtc.org>
Cr-Commit-Position: refs/heads/main@{#43123}