Roll src/third_party/depot_tools ad557c41da7c..3671a6a21726 (1 commits)

https://chromium.googlesource.com/chromium/tools/depot_tools.git/+log/ad557c41da7c..3671a6a21726

git log ad557c41da7c..3671a6a21726 --date=short --no-merges --format='%ad %ae %s'
2019-10-24 jmadill@chromium.org Revert "git-cl: Add diff lines of context setting."

Created with:
  gclient setdep -r src/third_party/depot_tools@3671a6a21726

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

TBR=agable@chromium.org

Bug: None
Change-Id: Ie5a2589a464303c34e6ca1f7c01a7ead5023ad25
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1878870Reviewed-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@{#709070}

DEPS

@@ -899,7 +899,7 @@ deps = {
   },
 
   'src/third_party/depot_tools':
-    Var('chromium_git') + '/chromium/tools/depot_tools.git' + '@' + 'ad557c41da7ce606ef3c26cf9ab465f9e4c81456',
+    Var('chromium_git') + '/chromium/tools/depot_tools.git' + '@' + '3671a6a21726da161152fd4f8a7816ba512e78fa',
 
   'src/third_party/devtools-node-modules':
     Var('chromium_git') + '/external/github.com/ChromeDevTools/devtools-node-modules' + '@' + Var('devtools_node_modules_revision'),