RFR: 8371651: [AArch64] Populate CPU _features flag on Windows [v2]

[Dhamoder Nalla]

On Tue, 9 Dec 2025 23:56:24 GMT, Brian Stafford <bstafford at openjdk.org> wrote:

>> Dhamoder Nalla has updated the pull request incrementally with one additional commit since the last revision:
>> 
>>   cleanup spaces
>
> LGTM

@brianjstafford, could you please re‑review this PR with the latest iteration.

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PR Comment: https://git.openjdk.org/jdk/pull/28461#issuecomment-3721493896