Update team owners.

Change-Id: I8a62fea18e864a85dcae4889ab106a2bbc9920b3
Test: Owners only change.
Bug: 296459098
diff --git a/OWNERS b/OWNERS
index 2f0bcec..a4558cd 100644
--- a/OWNERS
+++ b/OWNERS
@@ -1,3 +1,6 @@
 breadley@google.com
-hallliu@google.com
 tgunn@google.com
+xiaotonj@google.com
+tjstuart@google.com
+grantmenke@google.com
+pmadapurmath@google.com
\ No newline at end of file