Remove deprecated ms arguments for Timer and Future.

tests/standalone/io/raw_socket_test.dart

Index: tests/standalone/io/raw_socket_test.dart
diff --git a/tests/standalone/io/raw_socket_test.dart b/tests/standalone/io/raw_socket_test.dart
index d14dc9e7d9a5429ea3c5c8b11f8b93a278de1c69..caf067b3d04354e1d626564b35188a546679666b 100644
--- a/tests/standalone/io/raw_socket_test.dart
+++ b/tests/standalone/io/raw_socket_test.dart
@@ -288,7 +288,7 @@ testCancelResubscribeServerSocket() {
     subscription = server.listen((client) {
       if (++acceptCount == socketCount / 2) {
         subscription.cancel();
-        new Timer(0, (_) {
+        Timer.run(() {
           subscription = server.listen((_) {
             // Close on cancel, so no more events.
             Expect.fail("Event after closed through cancel");