TimeUpdateEvent
public class TimeUpdateEvent : CurrentTimeEventFired when PlayerEventTypes.TIME_UPDATE occurs for the THEOplayer.
Remark
- Periodically thrown during playback to indicate that the currentTime property is changing to indicate the new playback position.
- Will be kept up-to-date in case of discontinuous playback, e.g. because of a seek.
- 
                  
                  The current program date time of the player. DeclarationSwift public let currentProgramDateTime: Date?
