Release Note: JAXP library updated with selected Xerces 2.11.0 updates

The JAXP library in JDK 9 has been updated to Xerces-J 2.11.0 release in the following areas:
   - Datatypes
   - DOM Level 3 serialization
   - XPointer
   - XML Schema Validation

This update includes improvement and bug fixes in the above areas up to the Xerces-J 2.11.0 release, but not the experimental support for XML Schema 1.1 features. Refer to [Xerces-J 2.11.0 Release Notes](https://xerces.apache.org/xerces2-j/releases.html) for more details.