RFR(xxs): 8200384: jcmd help output should be sorted

[Thomas Stüfe]

Hi all,

may I get reviews for this tiny trivial change which causes jcmd help
output (the command list) to be sorted?

bug: https://bugs.openjdk.java.net/browse/JDK-8200384
webrev:
http://cr.openjdk.java.net/~stuefe/webrevs/8200384-jcmd-help-sorted/webrev.00/webrev/

Thanks!

Best Regards, Thomas