Roll build/ e5ff2eff3..e4eef53d5 (27 commits)

https://chromium.googlesource.com/chromium/src/build.git/+log/e5ff2eff3ba5..e4eef53d5b82

Pick up change at 8d897a51bd1726d0dfc5a8ebbb15ee141415dbae to move GN
arg clang_unsafe_buffers_paths to BUILDCONFIG.gn.

Created with:
  roll-dep build

Change-Id: I7e6e837062e1d2fcdb7369c5a82d8782cd6a17fb
Reviewed-on: https://pdfium-review.googlesource.com/c/pdfium/+/118170
Reviewed-by: Lei Zhang <thestig@chromium.org>
Commit-Queue: Tom Sepez <tsepez@chromium.org>
Reviewed-by: Thomas Sepez <tsepez@google.com>
Reviewed-by: Tom Sepez <tsepez@chromium.org>
diff --git a/DEPS b/DEPS
index 9d17314..69ed6f2 100644
--- a/DEPS
+++ b/DEPS
@@ -69,7 +69,7 @@
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling build
   # and whatever else without interference from each other.
-  'build_revision': 'e5ff2eff3ba548792433766073b4399d506ec8db',
+  'build_revision': 'e4eef53d5b822960db715cc180890570ceec98f0',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling buildtools
   # and whatever else without interference from each other.