RFR: 8360039: JFR: Improve parser logging of constants

[Erik Gahlin]

Could I have a review of the PR that improves logging in the JFR parser for arrays?

Testing: test/jdk/jdk/jfr

Thanks
Erik

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Commit messages:
 - Initial

Changes: https://git.openjdk.org/jdk/pull/25903/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=25903&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8360039
  Stats: 23 lines in 1 file changed: 18 ins; 3 del; 2 mod
  Patch: https://git.openjdk.org/jdk/pull/25903.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/25903/head:pull/25903

PR: https://git.openjdk.org/jdk/pull/25903