Roll src/third_party/catapult 1855bc3168ee..8a8a2710f861 (2 commits)

https://chromium.googlesource.com/catapult.git/+log/1855bc3168ee..8a8a2710f861


git log 1855bc3168ee..8a8a2710f861 --date=short --no-merges --format='%ad %ae %s'
2019-07-23 dberris@chromium.org PinpointScheduler: Tighten cancellation semantics
2019-07-23 crouleau@chromium.org Revert "[Telemetry] Upload detailed os version string as histogram diagnostic."


Created with:
  gclient setdep -r src/third_party/catapult@8a8a2710f861

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

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=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

BUG=chromium:977488,chromium:980256
TBR=zhanliang@google.com

Change-Id: I94811d0c7b4828237a4b82ca736f8f67607459cd
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1714116Reviewed-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@{#679894}

DEPS

@@ -207,7 +207,7 @@ 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': '1855bc3168eed83649a33dc11f8042097da52d36',
+  'catapult_revision': '8a8a2710f8619abc45a97b3c365357569bdc8e9d',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling libFuzzer
   # and whatever else without interference from each other.