[jdk25] RFR: 8360776: Disable Intel APX by default and enable it with -XX:+UnlockExperimentalVMOptions -XX:+UseAPX in all builds

[Sandhya Viswanathan]

On Fri, 11 Jul 2025 19:00:20 GMT, Srinivas Vamsi Parasa <sparasa at openjdk.org> wrote:

> Hi all,
> 
> This pull request contains a backport of commit [26b00280](https://github.com/openjdk/jdk/commit/26b002805ab235d07998eddd486fe66a69f60671) from the [openjdk/jdk](https://git.openjdk.org/jdk) repository.
> 
> The commit being backported was authored by Srinivas Vamsi Parasa on 11 Jul 2025 and was reviewed by Sandhya Viswanathan, David Holmes and Jatin Bhateja.
> 
> This PR **got approval** for the late enhancement feature request. 
> 
> Thanks!

Looks good to me as well.

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Marked as reviewed by sviswanathan (Reviewer).

PR Review: https://git.openjdk.org/jdk/pull/26274#pullrequestreview-3013174899