Roll Depot Tools from 7497bb4edd42 to ec709593d585 (2 revisions)

https://chromium.googlesource.com/chromium/tools/depot_tools.git/+log/7497bb4edd42..ec709593d585

2020-08-13 Han) Zhang Revert "Modified git cl format for distributed histograms"
2020-08-13 ddoman@chromium.org [lucicfg] move the cipd pin of lucicfg in depot_tools

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:1115773
Tbr: ajp@google.com,apolito@google.com,ehmaldonado@google.com,sokcevic@google.com
Change-Id: I4e86cc6aec10273fad1d5f289f6f0e02f73a9125
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2354662Reviewed-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@{#797983}

DEPS

@@ -895,7 +895,7 @@ deps = {
   },
 
   'src/third_party/depot_tools':
-    Var('chromium_git') + '/chromium/tools/depot_tools.git' + '@' + '7497bb4edd4245602c6ed7238f08bc407ad1f8ed',
+    Var('chromium_git') + '/chromium/tools/depot_tools.git' + '@' + 'ec709593d585f1834b8a3933fd8a4696f457ca16',
 
   'src/third_party/devtools-frontend/src':
     Var('chromium_git') + '/devtools/devtools-frontend' + '@' + Var('devtools_frontend_revision'),