Roll build/ 213e0a3a3..a721f3327 (131 commits)

https://chromium.googlesource.com/chromium/src/build.git/+log/213e0a3a3d17..a721f3327e54

Created with:
  roll-dep build

Change-Id: I4b3d25a630058c9611ee2b476989f9c3e37ceb90
Reviewed-on: https://pdfium-review.googlesource.com/c/50291
Reviewed-by: Bruce Dawson <brucedawson@chromium.org>
Commit-Queue: Lei Zhang <thestig@chromium.org>
diff --git a/DEPS b/DEPS
index 2a4f8ea..7a76206 100644
--- a/DEPS
+++ b/DEPS
@@ -14,7 +14,7 @@
 
   'android_ndk_revision': '4e2cea441bfd43f0863d14f57b1e1844260b9884',
   'binutils_revision': '2be73f7fbf783d7a0b288e174a5773b67c7656bc',
-  'build_revision': '213e0a3a3d17d89b6513181a28956166a9c2141c',
+  'build_revision': 'a721f3327e541ace0f6bfffa88b06e60b2766079',
   'buildtools_revision': '6fbda1b24c1893a893b17aa219b765b9e7c801d8',
   'catapult_revision': '7c1d51b169edfb62a3e2f88730f1182240cfe981',
   'clang_revision': 'b23f5a07327bb0dd49aed8dc80984217f268cf93',