[lworld] RFR: 8371429: [lworld] Fix package name inference for ResourcePoolManager for preview mode

[David Beaumont]

On Thu, 6 Nov 2025 20:45:10 GMT, David Beaumont <duke at openjdk.org> wrote:

> Switches package inference to handle preview resource paths.
> 
> Additionally:
> * Updates unit test to use JUnit.
> * Deletes unused code (both newly unused and previously unused).

Done. CI is running, will aim to integrate later tonight or more likely early tomorrow.

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PR Comment: https://git.openjdk.org/valhalla/pull/1724#issuecomment-3522702794