crosutils: Add build team as OWNERS

BUG=b:132095048
TEST=None

Change-Id: I85636519307616d08f44bdc87cde3e597402223b
Reviewed-on: https://chromium-review.googlesource.com/1648715
Commit-Ready: Chris McDonald <cjmcdonald@chromium.org>
Tested-by: Chris McDonald <cjmcdonald@chromium.org>
Legacy-Commit-Queue: Commit Bot <commit-bot@chromium.org>
Reviewed-by: Chris McDonald <cjmcdonald@chromium.org>
Reviewed-by: Ned Nguyen <nednguyen@google.com>
diff --git a/OWNERS b/OWNERS
new file mode 100644
index 0000000..1cab360
--- /dev/null
+++ b/OWNERS
@@ -0,0 +1,6 @@
+cjmcdonald@chromium.org
+lamontjones@chromium.org
+mmortensen@google.com
+nednguyen@google.com
+saklein@chromium.org
+vapier@chromium.org