Merge the openglui samples into one.

samples/openglui/android/src/com/google/dartndk/DummyActivity.java

 package com.google.dartndk;
 
 import java.io.File;
 import java.io.FileOutputStream;
 import java.io.InputStream;
 import java.io.IOException;
 import java.io.OutputStream;
 
 import android.app.NativeActivity;
 import android.content.res.AssetManager;
@@ skipping 22 matching lines @@
         }
         in.close();
         out.flush();
         ((FileOutputStream)out).getFD().sync();
         out.close();
       }
     } catch (IOException ex) {
     }
   }
 }