Roll Depot Tools from 5dba9c97fbc3 to a070dd18d79d (1 revision)

https://chromium.googlesource.com/chromium/tools/depot_tools.git/+log/5dba9c97fbc3..a070dd18d79d

2020-09-04 thakis@chromium.org Revert "mac: Add an arm64 slice to ninja-mac."

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:1103315,chromium:762354
Tbr: ajp@google.com,apolito@google.com,ehmaldonado@google.com,sokcevic@google.com
Change-Id: I482fb8f70564eeb20896a13ebc90cbd21a7c0bb1
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2393706Reviewed-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@{#804556}

DEPS

@@ -896,7 +896,7 @@ deps = {
   },
 
   'src/third_party/depot_tools':
-    Var('chromium_git') + '/chromium/tools/depot_tools.git' + '@' + '5dba9c97fbc3b373423acbb7a0e623854550c177',
+    Var('chromium_git') + '/chromium/tools/depot_tools.git' + '@' + 'a070dd18d79dfa236d16ece74e0dcd514851331f',
 
   'src/third_party/devtools-frontend/src':
     Var('chromium_git') + '/devtools/devtools-frontend' + '@' + Var('devtools_frontend_revision'),