OWNERS: Move bclayton to core owners

Bug: dawn:1339
Change-Id: I9fc2c756b354e4f8171fdb4d62463bc440993759
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/85981
Reviewed-by: Corentin Wallez <cwallez@chromium.org>
Commit-Queue: Ben Clayton <bclayton@google.com>
diff --git a/OWNERS b/OWNERS
index a7cef5e..75432c4 100644
--- a/OWNERS
+++ b/OWNERS
@@ -1,9 +1,9 @@
+bclayton@google.com
 cwallez@chromium.org
 enga@chromium.org
 jiawei.shao@intel.com
 
 # Backup reviewers if needed.
-bclayton@google.com
 kainino@chromium.org
 
 per-file dawn.json=kainino@chromium.org
@@ -13,7 +13,6 @@
 # Tint specific OWNERS
 amaiorano@google.com
 bclayton@chromium.org
-bclayton@google.com
 cwallez@chromium.org
 dneto@google.com
 jrprice@google.com