Change view status of video controls by click event.

Change view status of video controls by click event.

[Title] Change view status of video controls by click event.
[Problem] Video controls are not hidden until touching outside of video screen.
[Cause] Mouse-out event don't occur until touching outside of video screen.
[Solution] Change view status of video controls by click event.
           Add timer callback to hide controls on normal screen also.
Change-Id: Ie2768023d46b093b364ca66e5d4191df17ec6ef1