protected long run() throws RemoteException {
   int responseCode =
       mService
           .sendBillingRequest(makeRequestBundle("CHECK_BILLING_SUPPORTED"))
           .getInt(Consts.BILLING_RESPONSE_RESPONSE_CODE);
   Log.i(
       TAG,
       new StringBuilder("CheckBillingSupported response code: ")
           .append(ResponseCode.valueOf(responseCode))
           .toString());
   ResponseHandler.checkBillingSupportedResponse(
       responseCode == ResponseCode.RESULT_OK.ordinal());
   return Consts.BILLING_RESPONSE_INVALID_REQUEST_ID;
 }