[pinpoint] Add a bug comment when a job fails.
[pinpoint] Add a bug comment when a job fails.

BUG=catapult:#3688

Review-Url: https://codereview.chromium.org/2993633003

catapult-project/catapult-csm,catapult-project/catapult-csm,catapult-project/catapult-csm,catapult-project/catapult,catapult-project/catapult-csm,catapult-project/catapult,catapult-project/catapult-csm,catapult-project/catapult,catapult-project/catapult-csm,catapult-project/catapult-csm,catapult-project/catapult,catapult-project/catapult,catapult-project/catapult,catapult-project/catapult