Roll third_party/depot_tools/ 4ec3fd365..da768751d (78 commits; 17 trivial rolls)

https://chromium.googlesource.com/chromium/tools/depot_tools.git/+log/4ec3fd3659cc..da768751d43b

Created with:
  roll-dep third_party/depot_tools

Change-Id: Iedaf6c400913bed1fd8914c465dd98b8dc650580
Reviewed-on: https://pdfium-review.googlesource.com/c/pdfium/+/79014
Auto-Submit: K. Moon <kmoon@chromium.org>
Commit-Queue: Hui Yingst <nigi@chromium.org>
Reviewed-by: Hui Yingst <nigi@chromium.org>
diff --git a/DEPS b/DEPS
index af2408b..06b2e07 100644
--- a/DEPS
+++ b/DEPS
@@ -57,7 +57,7 @@
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling depot_tools
   # and whatever else without interference from each other.
-  'depot_tools_revision': '4ec3fd3659ccd4fc7e1f977ee9361caf38635e91',
+  'depot_tools_revision': 'da768751d43b1f287bf99bea703ea13e2eedcf4d',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling freetype
   # and whatever else without interference from each other.