mp4格式文件，调用cocos的videoview播放，
在母包中可以正常播放，使用anysdk客户端打包后就无法播放，
log如下：
10-08 17:00:04.821: W/VideoView(9769): java.io.FileNotFoundException: This file can not be opened as a file descriptor; it is probably compressed
10-08 17:00:04.821: W/VideoView(9769): at android.content.res.AssetManager.openAssetFd(Native Method)
10-08 17:00:04.821: W/VideoView(9769): at android.content.res.AssetManager.openFd(AssetManager.java:331)
10-08 17:00:04.821: W/VideoView(9769): at org.cocos2dx.lib.Cocos2dxVideoView.openVideo(Cocos2dxVideoView.java)
10-08 17:00:04.821: W/VideoView(9769): at org.cocos2dx.lib.Cocos2dxVideoView.setVideoURI(Cocos2dxVideoView.java)
10-08 17:00:04.821: W/VideoView(9769): at org.cocos2dx.lib.Cocos2dxVideoView.setVideoFileName(Cocos2dxVideoView.java)
10-08 17:00:04.821: W/VideoView(9769): at org.cocos2dx.lib.Cocos2dxVideoHelper._setVideoURL(Cocos2dxVideoHelper.java)
10-08 17:00:04.821: W/VideoView(9769): at org.cocos2dx.lib.Cocos2dxVideoHelper.access$200(Cocos2dxVideoHelper.java)
10-08 17:00:04.821: W/VideoView(9769): at org.cocos2dx.lib.Cocos2dxVideoHelper$VideoHandler.handleMessage(Cocos2dxVideoHelper.java)
10-08 17:00:04.821: W/VideoView(9769): at android.os.Handler.dispatchMessage(Handler.java:99)
10-08 17:00:04.821: W/VideoView(9769): at android.os.Looper.loop(Looper.java:137)
10-08 17:00:04.821: W/VideoView(9769): at android.app.ActivityThread.main(ActivityThread.java:5069)
10-08 17:00:04.821: W/VideoView(9769): at java.lang.reflect.Method.invokeNative(Native Method)
10-08 17:00:04.821: W/VideoView(9769): at java.lang.reflect.Method.invoke(Method.java:511)
10-08 17:00:04.821: W/VideoView(9769): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:793)
10-08 17:00:04.821: W/VideoView(9769): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:560)
10-08 17:00:04.821: W/VideoView(9769): at dalvik.system.NativeStart.main(Native Method)