[AC-874] Time Picker value is always current date

   <Alloy>
       <Picker type="Ti.UI.PICKER_TYPE_DATE" />
   </Alloy>
   

   <Alloy>
     <Window
           title="Form"
           exitOnClose="false"
           navBarHidden="true"
           layout="vertical"
           width="100%">
        <TextField
               id="timeField"
               hintText="DATE"
               editable="false"
               borderStyle="Ti.UI.INPUT_BORDERSTYLE_LINE"
               top="10"
               height="60"
               width="100%"
               onFocus="openTimePicker" />
     </Window>
   </Alloy>
   

   var timePickerController = Alloy.createController('fields/timePickerDialog', {
   	format24: true
   });
   function openTimePicker(e){
   	timePickerController.showForTextField(e.source);
   }
   

   function showForTextField(textField, opts){
   
   	opts = opts || {};
   
   	opts.callback = function(e) {
   		if(!e.cancel) {
   			var timeValue = e.value;
   			textField.value = timeValue.getHours() + ':' + timeValue.getMinutes();
   			textField.blur();
   		}
   	};
   
   	timePickerDialog.show(opts);
   }