Fix alert rules for Gold ingesters
Fix alert rules for Gold ingesters

BUG=skia:
TBR=borenet

Review URL: https://codereview.chromium.org/1755753003

google/skia-buildbot,google/skia-buildbot,google/skia-buildbot,google/skia-buildbot,google/skia-buildbot,google/skia-buildbot,google/skia-buildbot,google/skia-buildbot