Roll buildtools/ 4be464e05..6302c1175 (8 commits)

https://chromium.googlesource.com/chromium/src/buildtools.git/+log/4be464e050b3..6302c1175607

Created with:
  roll-dep buildtools

TBR=dhoss@chromium.org

Change-Id: Iee608f7044f2fec4f539734b6301a1cbc281488c
Reviewed-on: https://pdfium-review.googlesource.com/c/pdfium/+/76417
Reviewed-by: Hui Yingst <nigi@chromium.org>
Commit-Queue: Hui Yingst <nigi@chromium.org>
diff --git a/DEPS b/DEPS
index 6f71629..879201d 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': '4be464e050b3d05060471788f926b34c641db9fd',
+  'buildtools_revision': '6302c1175607a436e18947a5abe9df2209e845fc',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling catapult
   # and whatever else without interference from each other.