RFR: 4454: Other JMC launched after this JMC is listed as "-XX:+UseG1GC" i…

[Jean-Philippe Bempel]

…n JVM Browser

Add startLocalManagement to force finishing th init of the attached JVM

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Commit messages:
 - 4454: Other JMC launched after this JMC is listed as "-XX:+UseG1GC" in JVM Browser

Changes: https://git.openjdk.java.net/jmc/pull/143/files
 Webrev: https://webrevs.openjdk.java.net/?repo=jmc&pr=143&range=00
  Issue: https://bugs.openjdk.java.net/browse/JMC-4454
  Stats: 7 lines in 1 file changed: 7 ins; 0 del; 0 mod
  Patch: https://git.openjdk.java.net/jmc/pull/143.diff
  Fetch: git fetch https://git.openjdk.java.net/jmc pull/143/head:pull/143

PR: https://git.openjdk.java.net/jmc/pull/143