Add new members to OWNERS

Test: n/a
Change-Id: I17743a4cb8b5e61aa52687ebc07f500fe8597a3c
diff --git a/OWNERS b/OWNERS
index 9989bf0..7f523a2 100644
--- a/OWNERS
+++ b/OWNERS
@@ -1,5 +1,7 @@
+chz@google.com
 elaurent@google.com
 etalvala@google.com
+hkuang@google.com
 lajos@google.com
 marcone@google.com