hg: jigsaw/jake/jdk: Migrate jl.instrument package.html to package-info.java, misc. cleanup

[alan.bateman at oracle.com]

Changeset: 9269173b154d
Author:    alanb
Date:      2017-06-13 13:56 +0100
URL:       http://hg.openjdk.java.net/jigsaw/jake/jdk/rev/9269173b154d

Migrate jl.instrument package.html to package-info.java, misc. cleanup

+ src/java.instrument/share/classes/java/lang/instrument/package-info.java
- src/java.instrument/share/classes/java/lang/instrument/package.html