Edward Lemur 936dfb1cb2 Add a function to report perf results in JSON format.
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}
2017-11-30 11:20:00 +00:00
..
2017-11-01 08:03:46 +00:00