Update OWNERS file

Bug: 201534535
Test: -
Change-Id: Idb70c8dd9a22649dacd8d0a1ea254359b951d7ba
diff --git a/OWNERS b/OWNERS
index e253cd4..86cdcd3 100644
--- a/OWNERS
+++ b/OWNERS
@@ -4,4 +4,5 @@
 miaowang@google.com
 mikie@google.com
 pszczepaniak@google.com
-vddang@google.com
+xusongw@google.com
+ianhua@google.com