fix(core): Add fullscreen api to vgPlayer providers
fix(core): Add fullscreen api to vgPlayer providers

Avoid having one single instance of fullscreen api for all players

close #350

amitkumarmahajan/videogular2,amitkumarmahajan/videogular2,videogular/videogular2,kwarismian/videogular2,kwarismian/videogular2,amitkumarmahajan/videogular2,kwarismian/videogular2,videogular/videogular2,videogular/videogular2