createPaymentDataRequest
fun createPaymentDataRequest( transactionInfo: GooglePayJsonFactory.TransactionInfo, billingAddressParameters: GooglePayJsonFactory.BillingAddressParameters? = null, shippingAddressParameters: GooglePayJsonFactory.ShippingAddressParameters? = null, isEmailRequired: Boolean = false, merchantInfo: GooglePayJsonFactory.MerchantInfo? = null, allowCreditCards: Boolean? = null): JSONObject