Params and format is the same as for existing ARM experiment, but a new group name is created for non-ARM experiment. Bug: webrtc:11551 Change-Id: I3a6c0f07a8c1d714477ae4703c16e48df36ac10e Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/177102 Commit-Queue: Erik Språng <sprang@webrtc.org> Reviewed-by: Rasmus Brandt <brandtr@webrtc.org> Cr-Commit-Position: refs/heads/master@{#31524}