Roll Depot Tools from 8630bb119f96 to 26cd974abfad (3 revisions)

https://chromium.googlesource.com/chromium/tools/depot_tools.git/+log/8630bb119f96..26cd974abfad

2020-11-11 hferreiro@igalia.com Add a python2 shim under python2-bin/
2020-11-11 mattkot@microsoft.com Retry CIPD client download on Linux / macOS
2020-11-11 vadimsh@chromium.org [cipd] Update cipd and vpython to latest versions.

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 ajp@google.com,apolito@google.com,ehmaldonado@google.com,sokcevic@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:1109180,chromium:1124112,chromium:1145741
Tbr: ajp@google.com,apolito@google.com,ehmaldonado@google.com,sokcevic@google.com
Change-Id: I7be92c6400fac4d3c16662308f000e4b89cc256a
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2533147Reviewed-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@{#826589}

DEPS

@@ -903,7 +903,7 @@ deps = {
   },
 
   'src/third_party/depot_tools':
-    Var('chromium_git') + '/chromium/tools/depot_tools.git' + '@' + '8630bb119f964fe6faa6d313cb6b6070f80142d7',
+    Var('chromium_git') + '/chromium/tools/depot_tools.git' + '@' + '26cd974abfad06add50e162a3ebf03e6bc4f793e',
 
   'src/third_party/devtools-frontend/src':
     Var('chromium_git') + '/devtools/devtools-frontend' + '@' + Var('devtools_frontend_revision'),