[TIMOB-17596] Android: ListView: add support for specifying templates post-creation as is possible on iOS

<Alloy>
	<Window class="container">
		<ListView id="gallery"></ListView>
	</Window>
</Alloy>

var myTemplate = {
    childTemplates: [
        {                            // Image justified left
            type: 'Ti.UI.ImageView', // Use an image view for the image
            bindId: 'pic',           // Maps to a custom pic property of the item data
            properties: {            // Sets the image view  properties
                width: '50dp', height: '50dp', left: 0
            }
        },
        {                            // Title 
            type: 'Ti.UI.Label',     // Use a label for the title 
            bindId: 'info',          // Maps to a custom info property of the item data
            properties: {            // Sets the label properties
                color: 'black',
                font: { fontFamily:'Arial', fontSize: '20dp', fontWeight:'bold' },
                left: '60dp', top: 0,
            }
        },
        {                            // Subtitle
            type: 'Ti.UI.Label',     // Use a label for the subtitle
            bindId: 'es_info',       // Maps to a custom es_info property of the item data
            properties: {            // Sets the label properties
                color: 'gray',
                font: { fontFamily:'Arial', fontSize: '14dp' },
                left: '60dp', top: '25dp',
            }
        }
    ]
};
 
$.gallery.templates = { 'template': myTemplate };
$.gallery.defaultItemTemplate = 'template';

var sections = [];
 
var fruitSection = Ti.UI.createListSection({ headerTitle: 'Fruits / Frutas'});
var fruitDataSet = [
    { info: {text: 'Apple'}, es_info: {text: 'Manzana'}, pic: {image: 'apple.png'}},
    { info: {text: 'Banana'}, es_info: {text: 'Banana'}, pic: {image: 'banana.png'}}
];
fruitSection.setItems(fruitDataSet);
sections.push(fruitSection);
 
var vegSection = Ti.UI.createListSection({ headerTitle: 'Vegetables / Verduras'});
var vegDataSet = [
    { info: {text: 'Carrot'}, es_info: {text: 'Zanahoria'}, pic: {image: 'carrot.png'}},
    { info: {text: 'Potato'}, es_info: {text: 'Patata'}, pic: {image: 'potato.png'}}
];
vegSection.setItems(vegDataSet);
sections.push(vegSection);
 
var grainSection = Ti.UI.createListSection({ headerTitle: 'Grains / Granos'});
var grainDataSet = [
    { info: {text: 'Corn'}, es_info: {text: 'Maiz'}, pic: {image: 'corn.png'}},
    { info: {text: 'Rice'}, es_info: {text: 'Arroz'}, pic: {image: 'rice.png'}}
];
grainSection.setItems(grainDataSet);
sections.push(grainSection);
 
$.gallery.setSections(sections);

$.index.open();