RFR: 8371721: Refactor checkTrusted methods in X509TrustManagerImpl [v4]

[Sean Coffey]

On Fri, 5 Dec 2025 17:00:18 GMT, Artur Barashev <abarashev at openjdk.org> wrote:

>> The 3 checkTrusted methods in X509TrustManagerImpl have a lot of repeating code that can be moved into a helper method.
>
> Artur Barashev has updated the pull request incrementally with one additional commit since the last revision:
> 
>   Only the last few sentences of javadoc are outdated

Marked as reviewed by coffeys (Reviewer).

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PR Review: https://git.openjdk.org/jdk/pull/28275#pullrequestreview-3568868919