Add a multi-threaded rendering example.

examples/ui/noodles/main.cc

Index: examples/ui/noodles/main.cc
diff --git a/examples/ui/tile/main.cc b/examples/ui/noodles/main.cc
similarity index 76%
copy from examples/ui/tile/main.cc
copy to examples/ui/noodles/main.cc
index 930aca310e0a49207fe91b6ae7f584530ea4067b..6aff78eb48b6c41164ac12e6dcdcb2eaea70d834 100644
--- a/examples/ui/tile/main.cc
+++ b/examples/ui/noodles/main.cc
@@ -2,11 +2,11 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#include "examples/ui/tile/tile_app.h"
+#include "examples/ui/noodles/noodles_app.h"
 #include "mojo/application/application_runner_chromium.h"
 #include "mojo/public/c/system/main.h"
 
 MojoResult MojoMain(MojoHandle application_request) {
-  mojo::ApplicationRunnerChromium runner(new examples::TileApp);
+  mojo::ApplicationRunnerChromium runner(new examples::NoodlesApp);
   return runner.Run(application_request);
 }