hg: jdk10/sandbox: Merge

[ashipile at redhat.com]

Changeset: 2490d7976cce
Author:    shade
Date:      2017-05-29 10:24 +0200
URL:       http://hg.openjdk.java.net/jdk10/sandbox/rev/2490d7976cce

Merge

- make/Javadoc.gmk
- test/lib/jdk/test/lib/DynamicVMOption.java
- test/lib/jdk/test/lib/InMemoryJavaCompiler.java