[TIMOB-20596] Android: HTTPClient leaking connections

var mainview = Ti.UI.createView();
var label = Ti.UI.createLabel({color:'black', text:'Click to start', height:'auto', width:'auto'});
mainview.add(label);
var window = Ti.UI.createWindow({backgroundColor:'#ffffff', navBarHidden:true, exitOnClose:true});
window.add(mainview);

var count = 0;

function callApi(callback) {
  var cmdurl="http://jsonplaceholder.typicode.com/posts/";
  var params={title:'the title',body:'see how far we can go...',userId:666};
  var httpmode=(params._httpmode)?params._httpmode:"POST";
  var xhr = Ti.Network.createHTTPClient();
  xhr.timeout=15000;
  xhr.open("POST",cmdurl);
//  xhr.setRequestHeader("Connection","Close"); // This will fix the leak but will cost us the persistent connection. see http://stackoverflow.com/a/20417556/2603965
  xhr.onerror = function(e) {
    callback();
  };
  xhr.onload = function() {
    var d=false;
    try {
      d=JSON.parse(this.responseText);
    } catch(e) {
      d=false;
    }
    if (!d) {
      callback();
    } else {
      callback(d);
    }
  };
  xhr.send(params);
};

function printReply(d) {
  if (count > 0) {
    if (d) {
      label.applyProperties({text:'ok ' + count, color:'black'});
      Ti.API.info("HTTP TEST - count: " + count /*+ " - " + JSON.stringify(d)*/);
    } else {
      label.applyProperties({text:'error ' + count, color:'red'});
      Ti.API.warn("HTTP TEST - count: " + count);
    }
  }
  count++;
  setTimeout(function() {
    callApi(printReply);
  }, 10);
};

label.addEventListener('click', function(e) {
  Ti.API.info("HTTP TEST - start");
  printReply();
});

window.open();