Add OWNERS files

R=maruel@chromium.org, vadimsh@chromium.org, smut@google.com
BUG=

Review-Url: https://codereview.chromium.org/2918403007
NOKEYCHECK=True
GitOrigin-RevId: 9053c93a90775a88d97e0163a2bce259211c5cc8
diff --git a/OWNERS b/OWNERS
new file mode 100644
index 0000000..5c92963
--- /dev/null
+++ b/OWNERS
@@ -0,0 +1 @@
+dnj@chromium.org