Add default code reviewers in displayservice

Bug: None
Test: uploader
Change-Id: I8da84fa28a5ca5633c0b0bd8e62c524025eb79db
diff --git a/services/displayservice/OWNERS b/services/displayservice/OWNERS
new file mode 100644
index 0000000..7a3e4c2
--- /dev/null
+++ b/services/displayservice/OWNERS
@@ -0,0 +1,2 @@
+smoreland@google.com
+lpy@google.com