Roll src/third_party/depot_tools 11f4a84bb1b3..df70c8152767 (3 commits)

https://chromium.googlesource.com/chromium/tools/depot_tools.git/+log/11f4a84bb1b3..df70c8152767

git log 11f4a84bb1b3..df70c8152767 --date=short --first-parent --format='%ad %ae %s'
2020-03-30 ehmaldonado@google.com depot_tools: Simplify MinGW check.
2020-03-30 ehmaldonado@google.com Reland "git-cl: Remove unused and duplicate functions."
2020-03-30 ehmaldonado@google.com Add quotes around paths in bash scripts

Created with:
  gclient setdep -r src/third_party/depot_tools@df70c8152767

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: I3dce2f422e50f65bd6b74652c458e97ac1acae3d
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2128371Reviewed-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@{#754657}

DEPS

@@ -877,7 +877,7 @@ deps = {
   },
 
   'src/third_party/depot_tools':
-    Var('chromium_git') + '/chromium/tools/depot_tools.git' + '@' + '11f4a84bb1b3918230d025c91f3331d21411a22b',
+    Var('chromium_git') + '/chromium/tools/depot_tools.git' + '@' + 'df70c8152767951fba7244c7973d2b0c689c42c9',
 
   'src/third_party/devtools-frontend/src':
     Var('chromium_git') + '/devtools/devtools-frontend' + '@' + Var('devtools_frontend_revision'),