Roll Depot Tools from 703f21e21747 to c603339365fb (1 revision)

https://chromium.googlesource.com/chromium/tools/depot_tools.git/+log/703f21e21747..c603339365fb

2021-01-14 tikuta@chromium.org autoninja: use pure python for ninjalog_uploader_wrapper.py

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: None
Tbr: ajp@google.com,apolito@google.com,ehmaldonado@google.com,sokcevic@google.com
Change-Id: I270831aeeaaa375d1fceca847ff249ff22ef70ef
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2626026Reviewed-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@{#843469}

DEPS

@@ -893,7 +893,7 @@ deps = {
   },
 
   'src/third_party/depot_tools':
-    Var('chromium_git') + '/chromium/tools/depot_tools.git' + '@' + '703f21e21747c2b91a618401a9ab7a14e418745f',
+    Var('chromium_git') + '/chromium/tools/depot_tools.git' + '@' + 'c603339365fb945069c39147b1110d94e1814c28',
 
   'src/third_party/devtools-frontend/src':
     Var('chromium_git') + '/devtools/devtools-frontend' + '@' + Var('devtools_frontend_revision'),