[pinpoint] Update auto-Job-name to match perf dashboard convention.
[pinpoint] Update auto-Job-name to match perf dashboard convention.

Change-Id: Iaf879905f012b107b9a16976e06cd94be8c681f8
Reviewed-on: https://chromium-review.googlesource.com/c/1385446
Reviewed-by: Juan Antonio Navarro Pérez <1649bb5e6b9eafe026580e338065dc64ba6b80b2@chromium.org>
Commit-Queue: Dave Tu <baa605d781958521249fdcf7bad76b01d943134a@chromium.org>

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