Roll Depot Tools from 5bdfcd8f3397 to deff57f9b2c8 (1 revision)

https://chromium.googlesource.com/chromium/tools/depot_tools.git/+log/5bdfcd8f3397..deff57f9b2c8

2020-11-04 sokcevic@google.com Add unit tests for guessing main as upstream

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 sokcevic@google.com,ajp@google.com,apolito@google.com,ehmaldonado@google.com 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/+doc/master/autoroll/README.md

Bug: chromium:1143724
Tbr: sokcevic@google.com,ajp@google.com,apolito@google.com,ehmaldonado@google.com
Change-Id: I41eb418c964c6279eac31e89b4c929cf356be221
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2519589Reviewed-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@{#824172}

DEPS

@@ -912,7 +912,7 @@ deps = {
   },
 
   'src/third_party/depot_tools':
-    Var('chromium_git') + '/chromium/tools/depot_tools.git' + '@' + '5bdfcd8f3397c0a51b1539d672a9ed10d4caf239',
+    Var('chromium_git') + '/chromium/tools/depot_tools.git' + '@' + 'deff57f9b2c816e47aa6a94edaf019e244adff63',
 
   'src/third_party/devtools-frontend/src':
     Var('chromium_git') + '/devtools/devtools-frontend' + '@' + Var('devtools_frontend_revision'),