Slider onSlideEnd does not fire on touch end

[scurk1415]

[X] bug report => Search github for a similar issue or PR before submitting
[ ] feature request => Please check if request is not on the roadmap already https://github.com/primefaces/primeng/wiki/Roadmap
[ ] support request => Please do not submit support request here, instead see http://forum.primefaces.org/viewforum.php?f=35

Plunkr Case (Bug Reports)
http://plnkr.co/edit/HzzAg3ZmOsFbkS2JtGWw?p=preview

Current behavior
Slider onSlideEnd does not work with touch events.

Expected behavior
It should work with touch and mouse events

Minimal reproduction of the problem with instructions
Go to developer tools and turn on device mode or open the plunker site on a mobile device. The slider onSlideEnd is not fired (onChange event works).

• Angular version:
  4.4.4

• PrimeNG version:
  4.2.2