RFR: 8288663: JFR: Disabling the JfrThreadSampler commits only a partially disabled state

[Markus Grönlund]

8288663: JFR: Disabling the JfrThreadSampler commits only a partially disabled state

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Commit messages:
 - Backport a7df5a40639a4d3138616c9fc1b144381240d2e5

Changes: https://git.openjdk.org/jdk19/pull/45/files
 Webrev: https://webrevs.openjdk.org/?repo=jdk19&pr=45&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8288663
  Stats: 122 lines in 7 files changed: 47 ins; 19 del; 56 mod
  Patch: https://git.openjdk.org/jdk19/pull/45.diff
  Fetch: git fetch https://git.openjdk.org/jdk19 pull/45/head:pull/45

PR: https://git.openjdk.org/jdk19/pull/45