RFR: 8356224: JFR: Default value of @Registered is ignored

[Erik Gahlin]

Could I have a review of a change that fixes an issue with the Registered annotation. For details, see bug.

Testing: tier1 + jdk/jdk/jfr

Thanks
Erik

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Commit messages:
 - Initial

Changes: https://git.openjdk.org/jdk/pull/25063/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=25063&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8356224
  Stats: 147 lines in 3 files changed: 107 ins; 6 del; 34 mod
  Patch: https://git.openjdk.org/jdk/pull/25063.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/25063/head:pull/25063

PR: https://git.openjdk.org/jdk/pull/25063