RFR: 7136: Restrict local management agent for own process

[Guru Hb]

RC : Starting Local management agent for JMC's own process is not required.

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Commit messages:
 - 7136: Restrict local management agent for own process

Changes: https://git.openjdk.java.net/jmc/pull/217/files
 Webrev: https://webrevs.openjdk.java.net/?repo=jmc&pr=217&range=00
  Issue: https://bugs.openjdk.java.net/browse/JMC-7136
  Stats: 11 lines in 1 file changed: 3 ins; 0 del; 8 mod
  Patch: https://git.openjdk.java.net/jmc/pull/217.diff
  Fetch: git fetch https://git.openjdk.java.net/jmc pull/217/head:pull/217

PR: https://git.openjdk.java.net/jmc/pull/217