hg: jdk10/sandbox/langtools: Merge

[erik.joelsson at oracle.com]

Changeset: 2c475e58e5e0
Author:    erikj
Date:      2017-06-16 13:41 +0200
URL:       http://hg.openjdk.java.net/jdk10/sandbox/langtools/rev/2c475e58e5e0

Merge

- src/jdk.javadoc/share/classes/jdk/javadoc/internal/doclets/toolkit/builders/LayoutParser.java
- src/jdk.javadoc/share/classes/jdk/javadoc/internal/doclets/toolkit/builders/XMLNode.java
- src/jdk.javadoc/share/classes/jdk/javadoc/internal/doclets/toolkit/resources/doclet.xml