Bug 1511023 [wpt PR 14296] - Update interfaces/payment-request.idl, a=testonly

Automatic update from web-platform-testsUpdate interfaces/payment-request.idl (#14296)

Source: https://github.com/tidoust/reffy-reports/blob/a232594/whatwg/idl/payment-request.idl
Build: https://travis-ci.org/tidoust/reffy-reports/builds/461143420
--

wpt-commits: 9118ed350f14c15cb78c03f6054b541859e76054
wpt-pr: 14296

testing/web-platform/tests/interfaces/payment-request.idl

@@ -68,6 +68,7 @@ enum PaymentShippingType {
 
 dictionary PaymentOptions {
   boolean requestPayerName = false;
+  boolean requestBillingAddress = false;
   boolean requestPayerEmail = false;
   boolean requestPayerPhone = false;
   boolean requestShipping = false;