Merge the openglui samples into one.

samples/openglui/android/android.gyp

 # Copyright (c) 2012, 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.
 
 {
   'conditions': [
     ['OS=="android"',
       {
         'targets': [
           {
             'target_name': 'android_sample',
             'type': 'none',
             'dependencies': [
               'copy_extension',
               'copy_main',
-              '../../runtime/dart-runtime.gyp:android_embedder',
+              '../../../runtime/dart-runtime.gyp:android_embedder',
               'copy_embedder',
             ],
             'actions': [
               # TODO(gram) - this should have a debug and release version.
               {
                 'action_name': 'build_app',
                 'inputs': [
                 ],
                 'outputs': [
                   'bin/NativeActivity-debug.apk',
@@ skipping 12 matching lines @@
                 '<(PRODUCT_DIR)/lib.target/libandroid_embedder.so'
               ],
             }],
           },
           {
             'target_name': 'copy_extension',
             'type': 'none',
             'copies': [ {
               'destination': 'assets/dart',
               'files': [
-                '../../runtime/embedders/openglui/common/gl.dart'
+                '../../../runtime/embedders/openglui/common/gl.dart'
               ],
             }],
           },
           {
             'target_name': 'copy_main',
             'type': 'none',
             'copies': [ {
               'destination': 'assets/dart',
               'files': [
-                '../../samples/simplegl/web/raytrace.dart'
+                '../src/raytrace.dart'
               ],
             }],
           },
         ]
       }
     ]
   ]
 }