Roll tools/clang/ 9bd40b25b..7792d28b0 (10 commits)

https://chromium.googlesource.com/chromium/src/tools/clang/+log/9bd40b25b05f..7792d28b069a

AKA roll Clang 340925:343342.

This also requires rolling build/ eb7ca761a..a09219387 (40 commits)

https://chromium.googlesource.com/chromium/src/build.git/+log/eb7ca761a169..a09219387345

TBR=hnakashima@chromium.org

Change-Id: I4d039161d4478b8e65e480d650f04452daaa3800
Reviewed-on: https://pdfium-review.googlesource.com/c/43594
Commit-Queue: Lei Zhang <thestig@chromium.org>
Reviewed-by: Lei Zhang <thestig@chromium.org>
diff --git a/DEPS b/DEPS
index 3349d69..8a8f329 100644
--- a/DEPS
+++ b/DEPS
@@ -15,10 +15,10 @@
 
   'android_ndk_revision': '5cd86312e794bdf542a3685c6f10cbb96072990b',
   'binutils_revision': '4110e09197116a9c5dedd4c827bbe95c224f87ac',
-  'build_revision': 'eb7ca761a169a33100acef5dc5cab793884c9a46',
+  'build_revision': 'a092193873452162c2288536cea2ac2ed82e159f',
   'buildtools_revision': '2dff9c9c74e9d732e6fe57c84ef7fd044cc45d96',
   'catapult_revision': '9f36d9f788130761c3611060bc7a104772761d15',
-  'clang_revision': '9bd40b25b05f9ca4bf2e79598699f5daef63880b',
+  'clang_revision': '7792d28b069af6dd3a86d1ba83b7f5c4ede605dc',
   'code_coverage_revision': '4191ea0675c4c133cb506316b6b974f31e600576',
   'cygwin_revision': 'c89e446b273697fadf3a10ff1007a97c0b7de6df',
   'depot_tools_revision': '71e3be7a50c21faeee91ed99a8d5addfb7594e7c',