Autotest: add link to retry dashboard for autofiled bugs.

BUG=chromium:438462
TEST=reporting_unittests.py

Change-Id: I1a18e1dab0b05c72358857d4ac7414eb70734f37
Reviewed-on: https://chromium-review.googlesource.com/245537
Reviewed-by: Don Garrett <dgarrett@chromium.org>
Reviewed-by: Dan Shi <dshi@chromium.org>
Commit-Queue: Simran Basi <sbasi@chromium.org>
Tested-by: Simran Basi <sbasi@chromium.org>
2 files changed