Roll src/third_party/depot_tools eeafa0eaece5..e7ae514a47fe (3 commits)

https://chromium.googlesource.com/chromium/tools/depot_tools.git/+log/eeafa0eaece5..e7ae514a47fe

git log eeafa0eaece5..e7ae514a47fe --date=short --no-merges --format='%ad %ae %s'
2019-10-08 tandrii@google.com git_cl: fix test.
2019-10-08 ehmaldonado@chromium.org git-drover: Fix tests to run on Python 3.
2019-10-07 ehmaldonado@google.com depot_tools: Run git_cache_test and git_footers_test on windows.

Created with:
  gclient setdep -r src/third_party/depot_tools@e7ae514a47fe

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:1009809,chromium:Some
Change-Id: I3fe3b59ab7b4bfdb54f0afa2a9e02a21cb1bc868
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1846792Reviewed-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@{#703575}

DEPS

@@ -887,7 +887,7 @@ deps = {
   },
 
   'src/third_party/depot_tools':
-    Var('chromium_git') + '/chromium/tools/depot_tools.git' + '@' + 'eeafa0eaece53a07fe0a808926426540f4839a66',
+    Var('chromium_git') + '/chromium/tools/depot_tools.git' + '@' + 'e7ae514a47fe7cde080a5d7a19293795f52e447f',
 
   'src/third_party/devtools-node-modules':
     Var('chromium_git') + '/external/github.com/ChromeDevTools/devtools-node-modules' + '@' + Var('devtools_node_modules_revision'),