8048992: Enhance thread contexts in JAXWS

Fix also reviewed by skoivu,asaha,mgrebac,Alexander Fomin,Bill Shannon

Reviewed-by: chegar
diff --git a/modules.xml b/modules.xml
index a37a230..6c277a7 100644
--- a/modules.xml
+++ b/modules.xml
@@ -254,6 +254,7 @@
       <to>java.security.sasl</to>
       <to>java.sql</to>
       <to>java.xml</to>
+      <to>java.xml.ws</to>
       <to>jdk.charsets</to>
       <to>jdk.crypto.pkcs11</to>
       <to>jdk.deploy.osx</to>