Roll src/third_party/depot_tools e6e5db55004d..3da78c4bb7dc (1 commits)

https://chromium.googlesource.com/chromium/tools/depot_tools.git/+log/e6e5db55004d..3da78c4bb7dc

git log e6e5db55004d..3da78c4bb7dc --date=short --no-merges --format='%ad %ae %s'
2019-11-14 jbudorick@chromium.org Revert git cache diagnostic tracing.

Created with:
  gclient setdep -r src/third_party/depot_tools@3da78c4bb7dc

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: chromium:1019824
Change-Id: Ifbfd2c41c4d5a063303996df407419767663c644
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1917803Reviewed-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@{#715431}

DEPS

@@ -891,7 +891,7 @@ deps = {
   },
 
   'src/third_party/depot_tools':
-    Var('chromium_git') + '/chromium/tools/depot_tools.git' + '@' + 'e6e5db55004d8ec2504a9c6a702e9550991dc8d0',
+    Var('chromium_git') + '/chromium/tools/depot_tools.git' + '@' + '3da78c4bb7dc01f4afcaf0233a789a6c902ca0dc',
 
   'src/third_party/devtools-frontend/src':
     Var('chromium_git') + '/devtools/devtools-frontend' + '@' + Var('devtools_frontend_revision'),