[TIMOB-15476] queryMusicLibrary "grouping" property has no effect.

var win = Ti.UI.createWindow();

var tableView = Ti.UI.createTableView();

var query = Ti.Media.queryMusicLibrary({
	grouping:Ti.Media.MUSIC_MEDIA_GROUP_PLAYLIST,
	//grouping:Ti.Media.MUSIC_MEDIA_GROUP_GENRE,
	//grouping:Ti.Media.MUSIC_MEDIA_GROUP_COMPOSER,
	//grouping:Ti.Media.MUSIC_MEDIA_GROUP_ALBUM,
	//grouping:Ti.Media.MUSIC_MEDIA_GROUP_ALBUM_ARTIST,
	mediaType:Ti.Media.MUSIC_MEDIA_TYPE_MUSIC
});

if (query.length > 0) {
	for (var i=0;i<query.length;i++) {
		var tableRow = Ti.UI.createTableViewRow();

		var songTitle = Ti.UI.createLabel({
			text:query[i].title,
			left:10
		});

		tableRow.add(songTitle);

		tableView.appendRow(tableRow);
	};
} else {
	Ti.API.info('No results.');
}

win.add(tableView);

win.open();