hg: jdk/sandbox: 2 new changesets

[andy.herrick at oracle.com]

Changeset: af0a32bfc8c5
Author:    herrick
Date:      2018-06-28 12:44 -0400
URL:       http://hg.openjdk.java.net/jdk/sandbox/rev/af0a32bfc8c5

Initial changes for JDK-8200758-branch


Changeset: 38837fad4a81
Author:    herrick
Date:      2018-07-02 10:41 -0400
URL:       http://hg.openjdk.java.net/jdk/sandbox/rev/38837fad4a81

Merge