[jdk21] RFR: 8307526: [JFR] Better handling of tampered JFR repository

[Markus Grönlund]

On Fri, 14 Jul 2023 22:51:24 GMT, Joakim Nordström <jnordstrom at openjdk.org> wrote:

> Almost clean backport. 
> Only real diff due to changes to JVM class:
> * `jvm.shouldRotateDisk()` instead of mainline's static `JVM.shouldRotateDisk()`

Marked as reviewed by mgronlun (Reviewer).

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PR Review: https://git.openjdk.org/jdk21/pull/131#pullrequestreview-1532487225