Roll buildtools/ d0f0285d0..4e0e9c73a (3 commits)

https://chromium.googlesource.com/chromium/src/buildtools.git/+log/d0f0285d02d7..4e0e9c73a0f2

Created with:
  roll-dep buildtools

Change-Id: Ib499418db581a23b665340bb9406d2f0ee1e07c4
Reviewed-on: https://pdfium-review.googlesource.com/c/pdfium/+/119030
Reviewed-by: Thomas Sepez <tsepez@google.com>
Commit-Queue: Lei Zhang <thestig@chromium.org>
diff --git a/DEPS b/DEPS
index d03248e..82e399e 100644
--- a/DEPS
+++ b/DEPS
@@ -73,7 +73,7 @@
   # 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': 'd0f0285d02d788719edb53fa9dcec1584ff83875',
+  'buildtools_revision': '4e0e9c73a0f26735f034f09a9cab2a5c0178536b',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling catapult
   # and whatever else without interference from each other.