Roll src/third_party/depot_tools 34d90bebd8ba..c99efb2f8c62 (1 commits)

https://chromium.googlesource.com/chromium/tools/depot_tools.git/+log/34d90bebd8ba..c99efb2f8c62

git log 34d90bebd8ba..c99efb2f8c62 --date=short --first-parent --format='%ad %ae %s'
2020-03-17 sokcevic@google.com Add gerrit_client unit tests

Created with:
  gclient setdep -r src/third_party/depot_tools@c99efb2f8c62

If this roll has caused a breakage, revert this CL and stop the roller
using the controls here:
https://autoroll.skia.org/r/depot-tools-chromium-autoroll
Please CC agable@chromium.org 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: None
Tbr: agable@chromium.org
Change-Id: I6fb8feb07ab115021510fc6c1594a888ae6836b7
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2106914Reviewed-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@{#750844}

DEPS

@@ -888,7 +888,7 @@ deps = {
   },
 
   'src/third_party/depot_tools':
-    Var('chromium_git') + '/chromium/tools/depot_tools.git' + '@' + '34d90bebd8ba4a01d221dbd6fa0d12253c77d13c',
+    Var('chromium_git') + '/chromium/tools/depot_tools.git' + '@' + 'c99efb2f8c62aadcaa6b3f9507a17232e3367bac',
 
   'src/third_party/devtools-frontend/src':
     Var('chromium_git') + '/devtools/devtools-frontend' + '@' + Var('devtools_frontend_revision'),