Adding owners

Change-Id: Ib65b4fa15d06117094975f0c770a9490a6218835
diff --git a/OWNERS b/OWNERS
new file mode 100644
index 0000000..200fad8
--- /dev/null
+++ b/OWNERS
@@ -0,0 +1,4 @@
+jemoreira@google.com
+pinghao@google.com
+haining@google.com
+malchev@google.com