Roll src/third_party/devtools-frontend/src 13f71fb5e752..65342e6449b9 (6 commits)

https://chromium.googlesource.com/devtools/devtools-frontend.git/+log/13f71fb5e752..65342e6449b9

git log 13f71fb5e752..65342e6449b9 --date=short --first-parent --format='%ad %ae %s'
2019-11-29 yangguo@chromium.org Revert "Remove "Remote Devices" panel"
2019-11-29 tvanderlippe@chromium.org Remove unused globals
2019-11-29 mathias@chromium.org Update Network Conditions User-Agent strings for Firefox
2019-11-29 tvanderlippe@chromium.org Remove "Remote Devices" panel
2019-11-29 mathias@chromium.org Make Git ignore .git_cl_description_backup
2019-11-29 mathias@chromium.org Make User-Agent string emulation more discoverable

Created with:
  gclient setdep -r src/third_party/devtools-frontend/src@65342e6449b9

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:1029031
Tbr: devtools-waterfall-sheriff-onduty@grotations.appspotmail.com
Change-Id: I39b1938ac608bd101aa70b1aff3a5ae4b2751a23
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1944308Reviewed-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@{#720265}

DEPS

@@ -243,7 +243,7 @@ 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': '13f71fb5e752fa63b166a62d51bc869587473af7',
+  'devtools_frontend_revision': '65342e6449b9aa4fcde80f08a62872c219193928',
   # 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.