Cleaned up OpenGLUI samples and added Blasteroids.

samples/openglui/openglui.gyp

 # Copyright (c) 2013, the Dart project authors.  Please see the AUTHORS file
 # for details. All rights reserved. Use of this source code is governed by a
 # BSD-style license that can be found in the LICENSE file.
 
 {
   'variables': {
     # Disable the OpenGLUI embedder by default on desktop OSes.  Note,
     # to build this on the desktop, you need GLUT installed.
     # TODO(vsm): This is also defined in runtime/dart-runtime.gyp.  Can we
     # reuse that definition?
     'enable_openglui%': 0,
   },
   'targets': [
     {
       'target_name': 'openglui_sample',
       'type': 'none',
       'conditions': [
         ['OS=="android"', {
             'dependencies': [
-              'android/android.gyp:android_sample',
+              'android-webgl-raytrace/android.gyp:android_app',
+              'android-canvas-tests/android.gyp:android_app',
+              'android-blasteroids/android.gyp:android_app',
             ],
           },
         ],
         ['enable_openglui==1', {
             'dependencies': [
-              'emulator/emulator.gyp:mobile_emulator_sample',
+              'emulator/emulator.gyp:mobile_emulator_app',
             ],
           },
         ],
       ],
     },
   ],
 }