Roll src/third_party/catapult 27bd02bf2385..840ecb38c04e (1 commits)

https://chromium.googlesource.com/catapult.git/+log/27bd02bf2385..840ecb38c04e

git log 27bd02bf2385..840ecb38c04e --date=short --no-merges --format='%ad %ae %s'
2019-11-01 perezju@chromium.org [Telemetry] Move DummyStory and friends to test_stories

Created with:
  gclient setdep -r src/third_party/catapult@840ecb38c04e

If this roll has caused a breakage, revert this CL and stop the roller
using the controls here:
https://autoroll.skia.org/r/catapult-autoroll
Please CC oysteine@google.com on the revert to ensure that a human
is aware of the problem.

To report a problem with the AutoRoller itself, please file a bug:
https://bugs.chromium.org/p/skia/issues/entry?template=Autoroller+Bug

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

CQ_INCLUDE_TRYBOTS=luci.chromium.try:android_optional_gpu_tests_rel;luci.chromium.try:linux_optional_gpu_tests_rel;luci.chromium.try:mac_optional_gpu_tests_rel;luci.chromium.try:win_optional_gpu_tests_rel
TBR=oysteine@google.com

Bug: chromium:1008852
Change-Id: I243b6775e2d872c0cebaf8a67c4855b0e302099d
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1895815Reviewed-by: chromium-autoroll <chromium-autoroll@skia-public.iam.gserviceaccount.com>
Commit-Queue: chromium-autoroll <chromium-autoroll@skia-public.iam.gserviceaccount.com>
Cr-Commit-Position: refs/heads/master@{#711850}

DEPS

@@ -235,7 +235,7 @@ 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': '27bd02bf23853ed783c9f8ba886cde3a22260e45',
+  'catapult_revision': '840ecb38c04e3bf836f9433c15da766f8696d30a',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling libFuzzer
   # and whatever else without interference from each other.