Roll src/third_party/catapult 91096f77a581..6d6e911b50e1 (6 commits)

https://chromium.googlesource.com/catapult.git/+log/91096f77a581..6d6e911b50e1

git log 91096f77a581..6d6e911b50e1 --date=short --first-parent --format='%ad %ae %s'
2020-01-17 fancl@chromium.org Reduce min_num_instances of sheriff-config
2020-01-17 dberris@chromium.org Remove dispatch.yaml
2020-01-17 dberris@chromium.org Add commas between distinct strings
2020-01-17 fancl@chromium.org Fix query by subscriptions
2020-01-17 bsheedy@chromium.org Fix minidump symbolize spam
2020-01-17 zhizhouy@google.com Use python 2 for trace2html

Created with:
  gclient setdep -r src/third_party/catapult@6d6e911b50e1

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/+/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
Bug: chromium:1039776,chromium:1040775,chromium:1042949,chromium:953181
Tbr: rmhasan@google.com
Change-Id: I2dc3f9402d0aa1087238b67e85528518edce4f8b
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2006712Reviewed-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@{#732765}

DEPS

@@ -244,7 +244,7 @@ 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': '91096f77a5815f668aff303866b0face7784c63f',
+  'catapult_revision': '6d6e911b50e1c682e23ab509c25d97af97239492',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling libFuzzer
   # and whatever else without interference from each other.