RFR: 7455: Add support for jolokia JMX service connection [v4]

[Martin Skarsaune]

> Setting back for review. The azure problem requires a fix in Jolokia.
> 
> Make use of support for JMX service connection in jolokia 1.7.0 and later to connect to JVMs over this protocol.

Martin Skarsaune has updated the pull request incrementally with one additional commit since the last revision:

  Used spotbugs to format more code

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Changes:
  - all: https://git.openjdk.java.net/jmc/pull/332/files
  - new: https://git.openjdk.java.net/jmc/pull/332/files/cf9a170b..ab3085ce

Webrevs:
 - full: https://webrevs.openjdk.java.net/?repo=jmc&pr=332&range=03
 - incr: https://webrevs.openjdk.java.net/?repo=jmc&pr=332&range=02-03

  Stats: 18 lines in 1 file changed: 5 ins; 1 del; 12 mod
  Patch: https://git.openjdk.java.net/jmc/pull/332.diff
  Fetch: git fetch https://git.openjdk.java.net/jmc pull/332/head:pull/332

PR: https://git.openjdk.java.net/jmc/pull/332