This field trial will be used to rollout the cellular types added in https://webrtc-review.googlesource.com/c/src/+/174500 in a controlled fashion. Bug: webrtc:11473 Change-Id: I371d13d6935f6e0273a023657ce1b11b32bef346 Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/174831 Reviewed-by: Sami Kalliomäki <sakal@webrtc.org> Commit-Queue: Jonas Oreland <jonaso@webrtc.org> Cr-Commit-Position: refs/heads/master@{#31224}