Fix Observatory connection to non default VM

runtime/observatory/lib/src/app/application.dart

Index: runtime/observatory/lib/src/app/application.dart
diff --git a/runtime/observatory/lib/src/app/application.dart b/runtime/observatory/lib/src/app/application.dart
index 345e7f0ea975d1ace06fc6cffa646d9294ce4d73..3e2de8ded7b010742957e6c7bf3de767dfeb29f5 100644
--- a/runtime/observatory/lib/src/app/application.dart
+++ b/runtime/observatory/lib/src/app/application.dart
@@ -246,6 +246,7 @@ class ObservatoryApplication {
           _vm.onConnect.then((_) {
             app.locationManager.go(Uris.vm());
           });
+          _vm.load();
         } else if (currentTargetConnected) {
           app.locationManager.go(Uris.vm());
         }