Roll Catapult from 3cd3b4e18cd1 to 21e6e530cf90 (1 revision)

https://chromium.googlesource.com/catapult.git/+log/3cd3b4e18cd1..21e6e530cf90

2020-09-28 sebmarchand@chromium.org Make the CHROME_SHUTDOWN_TIMEOUT var work on !win platforms

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 rmhasan@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:1071664
Tbr: rmhasan@google.com
Change-Id: If7c8e3dc43c7b6fce2b2d6b38fa401df74d91011
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2435905Reviewed-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@{#811419}

DEPS

@@ -258,7 +258,7 @@ 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': '3cd3b4e18cd1d23b2d514f149aecd16f0efc0ef8',
+  'catapult_revision': '21e6e530cf90dfbef91d2d860bfbaaabcd917e92',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling libFuzzer
   # and whatever else without interference from each other.