Roll src/third_party/depot_tools d52eddaad2fb..4c7c4b4bc6e8 (2 commits)

https://chromium.googlesource.com/chromium/tools/depot_tools.git/+log/d52eddaad2fb..4c7c4b4bc6e8

git log d52eddaad2fb..4c7c4b4bc6e8 --date=short --first-parent --format='%ad %ae %s'
2020-03-11 recipe-mega-autoroller@chops-service-accounts.iam.gserviceaccount.com Roll recipe dependencies (trivial).
2020-03-11 ehmaldonado@google.com gclient: Fix auto-fetching refs.

Created with:
  gclient setdep -r src/third_party/depot_tools@4c7c4b4bc6e8

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: I6ca6180048982ba64af759d8d5f5abac55356b7a
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2099309Reviewed-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@{#749430}

DEPS

@@ -899,7 +899,7 @@ deps = {
   },
 
   'src/third_party/depot_tools':
-    Var('chromium_git') + '/chromium/tools/depot_tools.git' + '@' + 'd52eddaad2fbc9b7630d742715d184f50362253f',
+    Var('chromium_git') + '/chromium/tools/depot_tools.git' + '@' + '4c7c4b4bc6e8f294d611679364a821508e21b6bd',
 
   'src/third_party/devtools-frontend/src':
     Var('chromium_git') + '/devtools/devtools-frontend' + '@' + Var('devtools_frontend_revision'),