tokenize
After receiving a result from the PayPal web authentication flow via PayPalLauncher.handleReturnToApp, pass the PayPalPaymentAuthResult.Success returned to this method to tokenize the PayPal account and receive a PayPalAccountNonce on success.
Parameters
paymentAuthResult
a PayPalPaymentAuthResult.Success received in the callback from PayPalLauncher.handleReturnToApp
callback