Roll buildtools/ 1ed99573d..613921787 (9 commits)

https://chromium.googlesource.com/chromium/src/buildtools.git/+log/1ed99573d57d..61392178782c

Created with:
  roll-dep buildtools

Tbr: dhoss@chromium.org
Change-Id: Icf361445a5e4b349445030ad01c88173b9dfa46f
Reviewed-on: https://pdfium-review.googlesource.com/c/pdfium/+/72335
Reviewed-by: Lei Zhang <thestig@chromium.org>
Commit-Queue: Lei Zhang <thestig@chromium.org>
diff --git a/DEPS b/DEPS
index 1d933a6..bed8bee 100644
--- a/DEPS
+++ b/DEPS
@@ -39,7 +39,7 @@
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling buildtools
   # and whatever else without interference from each other.
-  'buildtools_revision': '1ed99573d57d4b6041261b531cdf876e631cf0bc',
+  'buildtools_revision': '61392178782cb7f6720228ab0cc4ef65a68c2824',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling catapult
   # and whatever else without interference from each other.