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This first version just adds an entry point for the script, and simple
api calls to test-results server to retrieve the json data.

Bug: 875251
Change-Id: I14de8275e1e9ffe28935d5e172add60011ec5b62
Reviewed-on: https://chromium-review.googlesource.com/1179837
Commit-Queue: Juan Antonio Navarro Pérez <perezju@chromium.org>
Reviewed-by: Ned Nguyen <nednguyen@google.com>
Cr-Commit-Position: refs/heads/master@{#584784}