[TIMOB-18125] Android: CloudPush - trayClickLaunchedApp event not fired if listener added after window is open

var win = Ti.UI.createWindow({
    backgroundColor : '#ccc',
    title : 'Android Cloud Push Notification'
});
  
var CloudPush = require('ti.cloudpush');
CloudPush.debug = true;
CloudPush.enabled = true;
CloudPush.singleCallback = true;
  
var deviceToken=null;
var Cloud = require('ti.cloud');
Cloud.debug = true;
  
var submit = Ti.UI.createButton({
    title : 'Register For Push Notification',
    color : '#000',
    height : 60,
    width : 200,
    top : 100,
});
  
win.add(submit);
  
submit.addEventListener('click', function(e) {
    loginDefault();
});
  
CloudPush.retrieveDeviceToken({
    success : deviceTokenSuccess,
    error : deviceTokenError
});
  
// Save the device token for subsequent API calls
function deviceTokenSuccess(e) {
    deviceToken = e.deviceToken;
}
  
function deviceTokenError(e) {
    alert('Failed to register for push notifications! ' + e.error);
}
  
// Process incoming push notifications
var listenersAdded = false;
win.addEventListener('open', function() {
    if (listenersAdded) {
        return;
    }

    // Process incoming push notifications
    CloudPush.addEventListener('callback', function(evt) {
        alert("Notification received: " + evt.payload);
        Ti.API.info("-------> Notification received: " + evt.payload);
    });
     
    CloudPush.addEventListener('trayClickLaunchedApp', function (evt) {
        alert('Tray Click Launched App (app was not running)');
        Ti.API.info('-------> Tray Click Launched App (app was not running)');
    });
     
    CloudPush.addEventListener('trayClickFocusedApp', function (evt) {
        alert('Tray Click Focused App (app was already running)');
        Ti.API.info('-------> Tray Click Focused App (app was already running)');
    });

    listenersAdded = true;
});
  
function loginDefault(e) {
    // At first you need to create an user from the application dashboard
    // Then login that email and password
    Cloud.Users.login({
        login : 'sliang@appcelerator.com',
        password : '1234'
    }, function(e) {
        if (e.success) {
            alert("login success");
            defaultSubscribe();
        } else {
            alert('Error: ' + ((e.error && e.message) || JSON.stringify(e)));
        }
    });
}
  
function defaultSubscribe() {
    Cloud.PushNotifications.subscribe({
        channel : 'Android Test',
        device_token : deviceToken,
        type : 'gcm'
    }, function(e) {
        if (e.success) {
            alert('Subscribed for Push Notification!');
        } else {
            alert('Error:' + ((e.error && e.message) || JSON.stringify(e)));
        }
    });
}
win.open();