RFR: 8220: Make LocalJVMToolkit reflective [v3]

[Marcus Hirt]

> Less painful from within Eclipse.

Marcus Hirt has updated the pull request incrementally with one additional commit since the last revision:

  Fixing logging levels

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Changes:
  - all: https://git.openjdk.org/jmc/pull/563/files
  - new: https://git.openjdk.org/jmc/pull/563/files/10f2a532..8681c3a1

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jmc&pr=563&range=02
 - incr: https://webrevs.openjdk.org/?repo=jmc&pr=563&range=01-02

  Stats: 2 lines in 1 file changed: 0 ins; 0 del; 2 mod
  Patch: https://git.openjdk.org/jmc/pull/563.diff
  Fetch: git fetch https://git.openjdk.org/jmc.git pull/563/head:pull/563

PR: https://git.openjdk.org/jmc/pull/563