[TIMOB-24262] Android : Crash when Try to remove view from parents.

var win = Ti.UI.createWindow({});

var scrollView = Ti.UI.createScrollView({
  layout: 'vertical'
});
var view1 = Ti.UI.createView({
  backgroundColor:'red', top: 10, height: 200, width: 1000
});
var view2 = Ti.UI.createView({
  backgroundColor:'blue', top: 10, height: 200, width: 1000
});
scrollView.add(view1);
scrollView.add(view2);
win.add(scrollView);
win.open();

view1.addEventListener('click', function() {
  // error
  scrollView.remove(view1);
});
view2.addEventListener('singletap', function() {
  // ok
  scrollView.remove(view2);
});

[ERROR] TiApplication: (main) [5747,6000] Sending event: exception on thread: main msg:java.lang.NullPointerException: Attempt to invoke virtual method 'boolean org.appcelerator.titanium.proxy.TiViewProxy.hierarchyHasListener(java.lang.String)' on a null object reference; Titanium 6.1.0,2016/12/22 06:14,undefined
[ERROR] TiApplication: java.lang.NullPointerException: Attempt to invoke virtual method 'boolean org.appcelerator.titanium.proxy.TiViewProxy.hierarchyHasListener(java.lang.String)' on a null object reference
[ERROR] TiApplication: 	at org.appcelerator.titanium.view.TiUIView$7.onSingleTapConfirmed(TiUIView.java:1607)
[ERROR] TiApplication: 	at android.view.GestureDetector$GestureHandler.handleMessage(GestureDetector.java:300)
[ERROR] TiApplication: 	at android.os.Handler.dispatchMessage(Handler.java:102)
[ERROR] TiApplication: 	at android.os.Looper.loop(Looper.java:148)
[ERROR] TiApplication: 	at android.app.ActivityThread.main(ActivityThread.java:5417)
[ERROR] TiApplication: 	at java.lang.reflect.Method.invoke(Native Method)
[ERROR] TiApplication: 	at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:726)
[ERROR] TiApplication: 	at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:616)