网络播放没成功，地址可以用web直接打开
08-21 15:30:32.519 2110 2110 W MediaPlayer: Couldn't open file on client side; trying server side: java.io.FileNotFoundException: No content provider: http://www.html5videoplayer.net/videos/toystory.mp4
08-21 15:30:32.520 2110 2110 I MediaPlayer: setDataSource(http://www.html5videoplayer.net/videos/toystory.mp4)
