Roll Catapult from d5e21940e048 to 8b9cff42b376 (4 revisions)

https://chromium.googlesource.com/catapult.git/+log/d5e21940e048..8b9cff42b376

2020-12-11 johnchen@chromium.org Revert "Switch to vpython version of mock"
2020-12-11 dberris@chromium.org chromeperf: Sync queue configs from prod
2020-12-11 dberris@chromium.org chromeperf: Reduce rate to 500/s as it's a limit
2020-12-10 bsheedy@chromium.org Switch to vpython version of mock

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 wenbinzhang@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/+doc/master/autoroll/README.md

Cq-Include-Trybots: luci.chromium.try:android_optional_gpu_tests_rel;luci.chromium.try:chromeos-kevin-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:1156554,chromium:1156832
Tbr: wenbinzhang@google.com
Change-Id: Iab9caa603c9e458d84c69dced684663681f4d573
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2587253Reviewed-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@{#836181}

DEPS

@@ -266,7 +266,7 @@ 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': 'd5e21940e048558fb675d0f14b49d638430c8279',
+  'catapult_revision': '8b9cff42b376bb71d1132e70fb55340e1985d6f2',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling libFuzzer
   # and whatever else without interference from each other.