RFR: 8349254: Disable "best-fit" mapping on Windows environment variables [v3]

[Jaikiran Pai]

On Fri, 7 Feb 2025 20:05:49 GMT, Naoto Sato <naoto at openjdk.org> wrote:

>> This is a follow-on fix to [JDK-8337506](https://bugs.openjdk.org/browse/JDK-8337506). The Java launcher can take arguments from "JDK_JAVA_OPTIONS" environment variable, so the same processing is needed. Also, obsolete code for Windows 9x has been removed.
>
> Naoto Sato has updated the pull request with a new target base due to a merge or a rebase. The incremental webrev excludes the unrelated changes brought in by the merge/rebase. The pull request contains four additional commits since the last revision:
> 
>  - Reflects review
>  - Merge branch 'master' into JDK-8349254-disable-best-fit-env-vars
>  - Reflects review
>  - initial commit

The updated changes look good to me.

-------------

Marked as reviewed by jpai (Reviewer).

PR Review: https://git.openjdk.org/jdk/pull/23498#pullrequestreview-2603334817