RFR: 8326233 Utils#copySSLParameters loses needClientAuth Setting [v3]

[John Jiang]

On Tue, 20 Feb 2024 12:51:15 GMT, Jaikiran Pai <jpai at openjdk.org> wrote:

>> Can I please get a review for this change which proposes to fix https://bugs.openjdk.org/browse/JDK-8326233?
>> 
>> As noted in the issue, when the `java.net.HttpClient.Builder` is configured with a `SSLParameters` instance whose `needClientAuth` is set to true, then it is expected that the `HttpClient` that's built from such a build will have its `SSLParameters` with `needClientAuth` as `true` and `wantClientAuth` as `false`. But due to a bug in the internal implementation of a the `HttpClient`, the value for `needClientAuth` was getting reset to `false`. The commit in this PR fixes that issue and introduces a jtreg tests which reproduces the issue and verifies the fix.
>
> Jaikiran Pai has updated the pull request incrementally with one additional commit since the last revision:
> 
>   remove "final" from test

Marked as reviewed by jjiang (Reviewer).

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PR Review: https://git.openjdk.org/jdk/pull/17923#pullrequestreview-1890477280