Roll src/third_party/catapult/ c173be04c..d6ef217af (2 commits)

https://chromium.googlesource.com/external/github.com/catapult-project/catapult.git/+log/c173be04cac2..d6ef217affb3

$ git log c173be04c..d6ef217af --date=short --no-merges --format='%ad %ae %s'
2017-09-18 simonhatch Dashboard - Append n=1000 to show large chromium ranges.
2017-09-18 dtu [pinpoint] Bold Commit subject in bug comment.

Created with:
  roll-dep src/third_party/catapult
BUG=753029


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: Ief0bdee37bfbb217170b2bb5fd7bf568649f46b9
Reviewed-on: https://chromium-review.googlesource.com/672150
Reviewed-by: <catapult-deps-roller@chromium.org>
Commit-Queue: <catapult-deps-roller@chromium.org>
Cr-Commit-Position: refs/heads/master@{#502773}

DEPS

@@ -97,7 +97,7 @@ 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': 'c173be04cac21380bd023b948366cbbd55858e3b',
+  'catapult_revision': 'd6ef217affb3766b9661b2b9e88f3428befe00f7',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling libFuzzer
   # and whatever else without interference from each other.