Update sample video project to allow for testing video’s placeholder image isn’t prematurely cleared.
Update sample video project to allow for testing video’s placeholder image isn’t prematurely cleared.

rmls/AsyncDisplayKit,flovouin/AsyncDisplayKit,maicki/AsyncDisplayKit,tomizimobile/AsyncDisplayKit,romyilano/AsyncDisplayKit,flovouin/AsyncDisplayKit,harryworld/AsyncDisplayKit,harryworld/AsyncDisplayKit,aaronschubert0/AsyncDisplayKit,aaronschubert0/AsyncDisplayKit,harryworld/AsyncDisplayKit,flovouin/AsyncDisplayKit,harryworld/AsyncDisplayKit,tomizimobile/AsyncDisplayKit,JetZou/AsyncDisplayKit,chrisdanford/AsyncDisplayKit,aaronschubert0/AsyncDisplayKit,rmls/AsyncDisplayKit,chrisdanford/AsyncDisplayKit,romyilano/AsyncDisplayKit,romyilano/AsyncDisplayKit,JetZou/AsyncDisplayKit,rmls/AsyncDisplayKit,chrisdanford/AsyncDisplayKit,romyilano/AsyncDisplayKit,rmls/AsyncDisplayKit,chrisdanford/AsyncDisplayKit,lappp9/AsyncDisplayKit,harryworld/AsyncDisplayKit,tomizimobile/AsyncDisplayKit,JetZou/AsyncDisplayKit,flovouin/AsyncDisplayKit,JetZou/AsyncDisplayKit,flovouin/AsyncDisplayKit,aaronschubert0/AsyncDisplayKit,maicki/AsyncDisplayKit,tomizimobile/AsyncDisplayKit,JetZou/AsyncDisplayKit,lappp9/AsyncDisplayKit,tomizimobile/AsyncDisplayKit,lappp9/AsyncDisplayKit,maicki/AsyncDisplayKit,aaronschubert0/AsyncDisplayKit,maicki/AsyncDisplayKit,rmls/AsyncDisplayKit,lappp9/AsyncDisplayKit,maicki/AsyncDisplayKit