OWNERS: scope to build team

BUG=None
TEST=None

Change-Id: Ic0ec04753663f28317036243e9cd0f57bcd744fc
Reviewed-on: https://chromium-review.googlesource.com/1672752
Tested-by: Mike Frysinger <vapier@chromium.org>
Commit-Ready: ChromeOS CL Exonerator Bot <chromiumos-cl-exonerator@appspot.gserviceaccount.com>
Legacy-Commit-Queue: Commit Bot <commit-bot@chromium.org>
Reviewed-by: Chris McDonald <cjmcdonald@chromium.org>
Reviewed-by: Alex Klein <saklein@chromium.org>
Reviewed-by: Ned Nguyen <nednguyen@google.com>
diff --git a/OWNERS b/OWNERS
new file mode 100644
index 0000000..effaef4
--- /dev/null
+++ b/OWNERS
@@ -0,0 +1,2 @@
+# Project is only used by chromite build currently.
+include chromiumos/chromite:OWNERS.build