Status: Use the new alerts endpoint on Perf.
Status: Use the new alerts endpoint on Perf.

BUG=skia:

Change-Id: I47fe1179ad9f452efb41cb01e81cb10263e23923
Reviewed-on: https://skia-review.googlesource.com/8959
Reviewed-by: Kevin Lubick <7cdab2cfab351f23814786ba39716e90eed69047@google.com>
Reviewed-by: Eric Boren <0e499112533c8544f0505ea0d08394fb5ad7d8fa@google.com>
Commit-Queue: Joe Gregorio <b9cf2471ff6d33504cafe8e6f356b732b2cadced@google.com>

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