Refactored OpenGL embedder that works on Android, Mac or Linux.

samples/android_sample/AndroidManifest.xml

 <?xml version="1.0" encoding="utf-8"?>
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
     package="com.google.dartndk"
     android:versionCode="1"
     android:versionName="1.0" >
 
     <uses-feature android:glEsVersion="0x00020000" />
 
     <uses-sdk
         android:minSdkVersion="10"
         android:targetSdkVersion="16" />
 
     <application
         android:allowBackup="true"
         android:hasCode="true"
         android:debuggable="true"
         android:icon="@drawable/ic_launcher"
         android:label="@string/app_name"
         android:theme="@style/AppTheme" >
         <activity
             android:name="DummyActivity"
             android:label="@string/app_name"
             android:screenOrientation="portrait"
             android:configChanges="keyboardHidden|orientation|screenSize" >
             <meta-data
                 android:name="android.app.lib_name"
-                android:value="DartNDK" />
+                android:value="android_embedder" />
             <intent-filter>
                 <action android:name="android.intent.action.MAIN" />
                 <category android:name="android.intent.category.LAUNCHER" />
             </intent-filter>
         </activity>
     </application>
 </manifest>