Roll src/third_party/devtools-frontend/src 29781ded1b6f..02d03f4ef2db (7 commits)

https://chromium.googlesource.com/devtools/devtools-frontend.git/+log/29781ded1b6f..02d03f4ef2db

git log 29781ded1b6f..02d03f4ef2db --date=short --first-parent --format='%ad %ae %s'
2020-03-18 jacktfranklin@chromium.org Revert "Add tsickle as a node dep"
2020-03-18 szuend@chromium.org Make LiveLocation#uiLocation and LiveLocation#isBlackboxed async
2020-03-18 szuend@chromium.org [cleanup] Remove awaitPromise argument from evaluateCommandInConsole
2020-03-18 devtools-ci-autoroll-builder@chops-service-accounts.iam.gserviceaccount.com Update DevTools Chromium DEPS.
2020-03-18 devtools-ci-autoroll-builder@chops-service-accounts.iam.gserviceaccount.com Update DevTools DEPS.
2020-03-18 jalyn@microsoft.com Ensure that all actions have categories
2020-03-17 khamu@microsoft.com High contrast support for Layers

Created with:
  gclient setdep -r src/third_party/devtools-frontend/src@02d03f4ef2db

If this roll has caused a breakage, revert this CL and stop the roller
using the controls here:
https://autoroll.skia.org/r/devtools-frontend-chromium
Please CC devtools-waterfall-sheriff-onduty@grotations.appspotmail.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

Bug: chromium:1021921,chromium:1032016,chromium:1048378,chromium:174309
Tbr: devtools-waterfall-sheriff-onduty@grotations.appspotmail.com
Change-Id: Ia5a973b2208ba5b85389117e82ff45c57ff6c129
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2108586Reviewed-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@{#751307}

DEPS

@@ -246,7 +246,7 @@ vars = {
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling devtools-frontend
   # and whatever else without interference from each other.
-  'devtools_frontend_revision': '29781ded1b6f0b58b414ea941f9c4363afc047c1',
+  'devtools_frontend_revision': '02d03f4ef2db87ba6bce2bd72675e26a79ec0f97',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling libprotobuf-mutator
   # and whatever else without interference from each other.