Add an endpoint that summarizes the number of passed and failed tests per suite.

BUG=None
TEST=Manually on local setup of Autotest
DEPLOY=apache
Change-Id: I84ac81ba8b386c1317d9809d88dcc61860550386
Reviewed-on: https://chromium-review.googlesource.com/218320
Reviewed-by: Nick Matthijssen <nickam@chromium.org>
Reviewed-by: Fang Deng <fdeng@chromium.org>
Tested-by: Jesus Moises Osorio <moisesosorio@chromium.org>
Commit-Queue: Aviv Keshet <akeshet@chromium.org>
4 files changed