UserAgent: Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/48.0.2564.116 Safari/537.36

Steps to reproduce the problem:
1. Go to https://plnkr.co/edit/DL7V8Qp8gZp1zS2G8uRE?p=preview
2. Click on Choose Files
3. select an empty directory or folder
4. Click on ok

What is the expected behavior?
onchange event should get triggered when user select empty folder or directory

What went wrong?
onchange event is not getting triggered when user select an empty folder. But work as expected for non empty folder or directory

Did this work before? N/A 

Chrome version: 48.0.2564.116  Channel: n/a
OS Version: 6.1 (Windows 7, Windows Server 2008 R2)
Flash Version: Shockwave Flash 20.0 r0