Roll Catapult from 2755b192accb to 9d178021d3b7 (3 revisions)

https://chromium.googlesource.com/catapult.git/+log/2755b192accb..9d178021d3b7

2020-06-16 khokhlov@google.com [tracing] Add Ampere-hour unit to histogram proto format
2020-06-16 khokhlov@google.com [Telemetry] Add sched details to experimental data sources
2020-06-16 fancl@chromium.org sheriff-config: Remove legacy patterns

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 eseckler@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:1055685,chromium:839068
Tbr: eseckler@google.com
Change-Id: I1c90e66c155d1ac2159a268dfe4de9ba113bc3c1
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2248032Reviewed-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@{#778865}

DEPS

@@ -245,7 +245,7 @@ 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': '2755b192accbb2fe4854e134bea3d942d4b76fcb',
+  'catapult_revision': '9d178021d3b79885cf320df73dccfcafa4845411',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling libFuzzer
   # and whatever else without interference from each other.