Update OWNERS file for AOSP dialer.

Bug: 63966743
Test: Build
Change-Id: If9454a90b03a8b907dda7c0f321b423f772effdd
diff --git a/OWNERS b/OWNERS
index 205dc43..42a8443 100644
--- a/OWNERS
+++ b/OWNERS
@@ -3,3 +3,7 @@
 twyen@google.com
 zachh@google.com
 linyuh@google.com
+tgunn@google.com
+hallliu@google.com
+breadley@google.com
+paulye@google.com