loadComplete() {
    // If we are on Android or if autoplay is false, video.paused should be
    // true. Otherwise, video.paused is false and the content is autoplaying.
    this.onPlayStateChange_();
  }
Used by the application to notify the controls that a load operation is
complete.  This allows the controls to recalculate play/paused state, which
is important for platforms like Android where autoplay is disabled.
@export