static octetStreamFairPlayRequest_(type, request, context) {
    if (type !== shaka.net.NetworkingEngine.RequestType.LICENSE) {
      return;
    }

    const drmInfo = request.drmInfo;
    if (!drmInfo ||
        !shaka.drm.DrmUtils.isFairPlayKeySystem(drmInfo.keySystem)) {
      return;
    }

    request.headers['Content-Type'] = 'application/octet-stream';
  }
Set content-type to application/octet-stream in a FairPlay request.

@param {shaka.net.NetworkingEngine.RequestType} type
@param {shaka.extern.Request} request
@param {shaka.extern.RequestContext=} context
@private