Fix loading video after failed custom event.
Fix loading video after failed custom event.

aiurlano/MobFox-Android-SDK,MaTriXy/MobFox-Android-SDK,palaniyappanBala/MobFox-Android-SDK,MaTriXy/MobFox-Android-SDK,aiurlano/MobFox-Android-SDK,MaTriXy/MobFox-Android-SDK,palaniyappanBala/MobFox-Android-SDK,aiurlano/MobFox-Android-SDK,MeiCassieDong/test,palaniyappanBala/MobFox-Android-SDK