[jdk21u] RFR: 8321067: Unlock experimental options in EATests.java

[Aleksey Shipilev]

On Thu, 30 Nov 2023 08:26:48 GMT, Roman Kennke <rkennke at openjdk.org> wrote:

> The backport for [JDK-8319926](https://bugs.openjdk.org/browse/JDK-8319926) was missing to unlock experimental options, because the LockingMode option only became non-experimental in JDK22. This change adds -XX:+UnlockExperimentalVMOptions to EATests.java run configurations. The fix is JDK21-specific.
> 
> Testing:
>  - [x] com/sun/jdi/EATests.java

Forgot to mention this is also trivial.

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Marked as reviewed by shade (Reviewer).

PR Review: https://git.openjdk.org/jdk21u/pull/414#pullrequestreview-1757517651