setStartTimeOfLoad(startTimeOfLoad) {
    if (!this.config_ || !this.config_.enabled ||
        this.config_.version != shaka.util.CmcdManager.Version.VERSION_2) {
      return;
    }
    if (this.video_ && this.video_.autoplay) {
      const playResult = this.video_.play();
      if (playResult) {
        playResult.then(() => {
          this.startTimeOfLoad_ = startTimeOfLoad;
        }).catch((e) => {
          this.startTimeOfLoad_ = 0;
        });
      }
    }
  }
Set start time of load if autoplay is enabled

@param {number} startTimeOfLoad