Roll src/third_party/catapult/ 8273e472c..7ae2122b3 (2 commits)

https://chromium.googlesource.com/catapult.git/+log/8273e472c811..7ae2122b3b38

$ git log 8273e472c..7ae2122b3 --date=short --no-merges --format='%ad %ae %s'
2018-02-20 dtu Revert "[dashboard] Cache ServiceAccountHttp() in memcache."
2018-02-16 dtu [pinpoint] Store all arguments passed to /new.

Created with:
  roll-dep src/third_party/catapult


The AutoRoll server is located here: https://catapult-roll.skia.org

Documentation for the AutoRoller is here:
https://skia.googlesource.com/buildbot/+/master/autoroll/README.md

If the roll is causing failures, please contact the current sheriff, who should
be CC'd on the roll, and stop the roller if necessary.


CQ_INCLUDE_TRYBOTS=master.tryserver.chromium.android:android_optional_gpu_tests_rel
TBR=sullivan@chromium.org

Change-Id: Iede74d8eacf35b8ff5aa9475f78b5776fa184000
Reviewed-on: https://chromium-review.googlesource.com/925699Reviewed-by: catapult-chromium-autoroll <catapult-chromium-autoroll@skia-buildbots.google.com.iam.gserviceaccount.com>
Commit-Queue: catapult-chromium-autoroll <catapult-chromium-autoroll@skia-buildbots.google.com.iam.gserviceaccount.com>
Cr-Commit-Position: refs/heads/master@{#537750}

DEPS

@@ -135,7 +135,7 @@ vars = {
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling catapult
   # and whatever else without interference from each other.
-  'catapult_revision': '8273e472c81133bc18ce96b7f3cc16824d937f08',
+  'catapult_revision': '7ae2122b3b38635538ce96564b18736a5f5799e8',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling libFuzzer
   # and whatever else without interference from each other.