Roll src/third_party/catapult/ 64ca2b5ad..a9f03426f (4 commits)

https://chromium.googlesource.com/external/github.com/catapult-project/catapult.git/+log/64ca2b5ad4d4..a9f03426f2e4

$ git log 64ca2b5ad..a9f03426f --date=short --no-merges --format='%ad %ae %s'
2017-07-17 simonhatch Dashboard - Change /get_histogram to always use same error message.
2017-07-17 trojal Add lowmemorykiller events to Memory Events track.
2017-07-17 simonhatch Dashboard - Convert bisect report from unicode.
2017-07-17 perezju [devil] Include stderr on RunShellCommand with large_output

Created with:
  roll-dep src/third_party/catapult
BUG=743171


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

If the roll is causing failures, see:
http://www.chromium.org/developers/tree-sheriffs/sheriff-details-chromium#TOC-Failures-due-to-DEPS-rolls


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

Change-Id: Ida3150a9fd640b0f0dbaa0f30a0c03e2e65802ae
Reviewed-on: https://chromium-review.googlesource.com/575352
Reviewed-by: <catapult-deps-roller@chromium.org>
Commit-Queue: <catapult-deps-roller@chromium.org>
Cr-Commit-Position: refs/heads/master@{#487279}

DEPS

@@ -96,7 +96,7 @@ 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': '64ca2b5ad4d43754240682ba97b164dd72dad794',
+  'catapult_revision': 'a9f03426f2e44d41df033dd6cc23fa1c318d5369',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling libFuzzer
   # and whatever else without interference from each other.