[TIMOB-9845] Android: Camera with overlay does not auto focus

   var overlay = Ti.UI.createView();
   var button = Titanium.UI.createButton({
   	color : '#fff',
   	bottom : 10,
   	width : 301,
   	height : 57,
   	font : {
   		fontSize : 20,
   		fontWeight : 'bold',
   		fontFamily : 'Helvetica Neue'
   	},
   	title : 'Take Picture'
   });
   
   button.addEventListener('click', function() {
   	Ti.Media.takePicture();
   });
   
   overlay.add(button);
   
   Titanium.Media.showCamera({
   
   	success : function(event) {
   		Ti.API.debug("********************************* Picture was taken");
   
   	},
   	cancel : function() {
   	},
   	error : function(error) {
   		Ti.API.debug("********************************** Error in showing camera: " + error.message);
   	},
   	overlay : overlay,
   	mediaTypes : Ti.Media.MEDIA_TYPE_PHOTO,
   	saveToPhotoGallery : true
   });