[TIMOB-23775] Windows: Impose restrictions on feature events

   var win = Ti.UI.createWindow({backgroundColor: 'purple'}),
       btn_a = Ti.UI.createButton({title: 'Feature Event: exceed levels', top: 0}),
       btn_b = Ti.UI.createButton({title: 'Feature Event: invalid object', top: 50}),
       btn_c = Ti.UI.createButton({title: 'Feature Event: exceed size', top: 100}),
       btn_d = Ti.UI.createButton({title: 'Feature Event: exceed keys', top: 150}),
       btn_e = Ti.UI.createButton({title: 'Feature Event: exceed key length', top: 200});
   
   btn_a.addEventListener('click', function () {
       var data = {};
       for (var l = 0; l < 6; l++) {
           data = {l: data};
       }
       Ti.Analytics.featureEvent('levels', data);
   });
   btn_b.addEventListener('click', function () {
       var data = undefined;
       Ti.Analytics.featureEvent('invalid', data);
   });
   btn_c.addEventListener('click', function () {
       var data = {big: Array(1002).join('c')};
       Ti.Analytics.featureEvent('size', data);
   });
   btn_d.addEventListener('click', function () {
       var data = {};
       for (var k = 0; k < 36; k++) {
           data[k] = 'd';
       }
       Ti.Analytics.featureEvent('keys', data);
   });
   btn_e.addEventListener('click', function () {
       var data = {};
       data[Array(52).join('e')] = 'e';
       Ti.Analytics.featureEvent('keyLength', data);
   });
   
   win.add(btn_a);
   win.add(btn_b);
   win.add(btn_c);
   win.add(btn_d);
   win.add(btn_e);
   
   win.open();