936dfb1cb2
Add support to report perf results in the JSON format specified in [1]. [1] https://github.com/catapult-project/catapult/blob/master/dashboard/docs/data-format.md Bug: webrtc:8566 Change-Id: I25f829a4b012b3e2a3d56d61582a674f780148d0 Reviewed-on: https://webrtc-review.googlesource.com/26031 Reviewed-by: Patrik Höglund <phoglund@webrtc.org> Reviewed-by: Karl Wiberg <kwiberg@webrtc.org> Commit-Queue: Edward Lemur <ehmaldonado@webrtc.org> Cr-Commit-Position: refs/heads/master@{#20950}