Roll Catapult from d5eb7e06f156 to d84b21c3f04c (2 revisions)

https://chromium.googlesource.com/catapult.git/+log/d5eb7e06f156..d84b21c3f04c

2020-08-05 fancl@chromium.org chromeperf: Temporarily disable SimulateAlertProcessing
2020-08-05 fancl@chromium.org chromeperf: Formatting all python code under dashboard

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/+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: None
Tbr: oysteine@google.com
Change-Id: Ib4a8aa917635c6561bf8c6455c63c4e88326e77d
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2338257Reviewed-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@{#794949}

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': 'd5eb7e06f156ab0204db671b369f9a8c9cbc0dd4',
+  'catapult_revision': 'd84b21c3f04c3164609854d566514084bcca1da4',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling libFuzzer
   # and whatever else without interference from each other.