Roll src/third_party/depot_tools d94f8ea2b545..b3e593c1ba1e (2 commits)

https://chromium.googlesource.com/chromium/tools/depot_tools.git/+log/d94f8ea2b545..b3e593c1ba1e

git log d94f8ea2b545..b3e593c1ba1e --date=short --first-parent --format='%ad %ae %s'
2020-03-27 sokcevic@google.com Escape AST string before writing to tokens
2020-03-27 sokcevic@google.com Enable test for git_rebase_update on Windows

Created with:
  gclient setdep -r src/third_party/depot_tools@b3e593c1ba1e

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: I9ae8983ebd5b2551f5cdc19b0379d7f128e84583
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2125168Reviewed-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@{#754205}

DEPS

@@ -877,7 +877,7 @@ deps = {
   },
 
   'src/third_party/depot_tools':
-    Var('chromium_git') + '/chromium/tools/depot_tools.git' + '@' + 'd94f8ea2b5458c36f10adaf46b53aba359d6a655',
+    Var('chromium_git') + '/chromium/tools/depot_tools.git' + '@' + 'b3e593c1ba1ecf499a8db7f6a59e31868fcd1556',
 
   'src/third_party/devtools-frontend/src':
     Var('chromium_git') + '/devtools/devtools-frontend' + '@' + Var('devtools_frontend_revision'),