RFR: 8345422: Fix JNI Checker "in native method" warnings in the debug agent and debugger tests [v3]

[Alex Menkov]

On Thu, 5 Dec 2024 01:21:26 GMT, Chris Plummer <cjplummer at openjdk.org> wrote:

>> The root cause of [JDK-8344804](https://bugs.openjdk.org/browse/JDK-8344804) seems to be some JNI Checker warnings. I decided to resolve all the warnings in the debug agent and debugger tests that start with "in native method". This seems to have resolved [JDK-8344804](https://bugs.openjdk.org/browse/JDK-8344804) failure. There are still other JNI Checker warnings present that are not being dealt with at this time.
>> 
>> Testing:
>> - [x] All tier1
>> - [x] All tier2 svc tests
>> - [x] All tier3 svc tests
>> - [x] All tier4, which is where [JDK-8344804](https://bugs.openjdk.org/browse/JDK-8344804) reproduced
>> - [x] All tier5 svc tests
>
> Chris Plummer has updated the pull request incrementally with one additional commit since the last revision:
> 
>   get rid of temporary debugging assert

Thanks, looks good to me

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Marked as reviewed by amenkov (Reviewer).

PR Review: https://git.openjdk.org/jdk/pull/22528#pullrequestreview-2480235219