RFR: 8346050: Update BuildTestLib.gmk to build whole testlibrary [v4]

[Weijun Wang]

On Fri, 14 Feb 2025 18:22:26 GMT, Leonid Mesnik <lmesnik at openjdk.org> wrote:

>> The fix add remaining classes to the testlibrary jar and fix some warnings in security-related classes.
>
> Leonid Mesnik has updated the pull request incrementally with two additional commits since the last revision:
> 
>  - added copyrights
>  - replaced commens fix with supress

Marked as reviewed by weijun (Reviewer).

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PR Review: https://git.openjdk.org/jdk/pull/23525#pullrequestreview-2624569868