[TIMOB-4207] Media.createVideoPlayer requires CAMERA_PERMISSION

   var videoLink = 'http://photosbydawson.com/resources/yoyo.mp4';
   var videoFile = Ti.Filesystem.getFile('file:///sdcard/').exists()
           ? Ti.Filesystem.getFile('file:///sdcard/yoyo.mp4')
           : Ti.Filesystem.getFile(Ti.Filesystem.applicationDataDirectory, 'yoyo.mp4');
   
   var win = Ti.UI.createWindow({ backgroundColor: '#000' });
   win.open();
   
   function downloadVideo() {
       var progressBar = Ti.UI.createProgressBar({
           max: 1, min: 0, value: 0,
           visible: true
       });
       win.add(progressBar);
       var xmlHttpObj = Ti.Network.createHTTPClient({
           ondatastream: function(e) {
               progressBar.value = e.progress;
           },
           onreadystatechange: function() {
               if (xmlHttpObj.readyState == 4) {
                   videoFile.write(xmlHttpObj.responseData);
                   win.remove(progressBar);
                   playVideo();
               }
           }
       });
       xmlHttpObj.open('GET', videoLink);
       xmlHttpObj.send();
   }
   
   function playVideo() {
       var videoPlayer = Ti.Media.createVideoPlayer({
           url: videoFile.nativePath
       });
       if (parseFloat(Ti.Platform.version) >= 3.2) {
           win.add(videoPlayer);
       }
       videoPlayer.play();
   }
   
   if (videoFile.exists()) {
       playVideo();
   }
   else {
       downloadVideo();
   }