Update OWNERS file am: 7a4db24d2d am: 16de27f296 am: 691f4556dc

Original change: https://android-review.googlesource.com/c/platform/test/mlts/models/+/1857519

Change-Id: I933da93d0e7f057a44fc192413bc8c0ee21989be
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