[TIMOB-14123] Android: Add support for creating video thumbnails

    
    // this sets the background color of the master UIView (when there are no windows/tab groups on it)
    Titanium.UI.setBackgroundColor('#000');
     
    // create base UI tab and root window
    //
    function newWindow(){
    var vidWin = Titanium.UI.createWindow({
        title : 'Tab 1',
        backgroundColor : '#fff'
    });
    
    var activeMovie = Titanium.Media.createVideoPlayer({
        top : 0,
        backgroundColor: 'red',
        height : 300,
        width : 300,
        //url : 'ten_sec_test.mp4'
        // url  :'http://www.quirksmode.org/html5/videos/big_buck_bunny.mp4'
    });
     
    activeMovie.url = 'http://www.quirksmode.org/html5/videos/big_buck_bunny.mp4';
    //activeMovie.url = 'ten_sec_test.mp4';
    
    var scrollView = Ti.UI.createScrollView({
        contentWidth : 'auto',
        contentHeight : 'auto',
        layout : 'horizontal',
        scrollType : 'horizontal'
    });
    
    
    activeMovie.requestThumbnailImagesAtTimes([0, 20, 59, 47, 22], Titanium.Media.VIDEO_TIME_OPTION_NEAREST_KEYFRAME, function(response) {
                Ti.API.info("Thumbnail callback called, success = " + response.success);
                 Ti.API.info("Thumbnail callback called, time = " + response.time);
                 Ti.API.info("Thumbnail callback called, code = " + response.code);
                if(response.success) {
                     var imgView = Titanium.UI.createImageView({
                        image : response.image
                    });
                    scrollView.add(imgView);
                    
                }
            });
    var cancelbtn = Ti.UI.createButton({bottom:0,width:200,height:50,title:'Cancel Request'});
    cancelbtn.addEventListener('click',function(){
    	Ti.API.info("Thumbnail Cancelled requested");
    	activeMovie.cancelAllThumbnailImageRequests();
    });
    
    
    var closebtn = Ti.UI.createButton({bottom:60,width:200,height:50,title:'DONE'});
    closebtn.addEventListener('click',function(){vidWin.close()});
    
    vidWin.add(scrollView);
    vidWin.add(closebtn);
    vidWin.add(cancelbtn);
    vidWin.open();
    }
     
    var win=Ti.UI.createWindow();
    var openButton = Ti.UI.createButton({width:200,height:50,title:'open'});
    openButton.addEventListener('click',newWindow);
    win.add(openButton);
    win.open();