RFR: 8262186: Call X509KeyManager.chooseClientAlias once for all key types [v2]

[Weijun Wang]

On Fri, 27 Aug 2021 14:36:52 GMT, Weijun Wang <weijun at openjdk.org> wrote:

>> This code change collects all key types and runs `chooseClientAlias` only once.
>
> Weijun Wang has updated the pull request incrementally with one additional commit since the last revision:
> 
>   reorg src, new test case

New commit pushed. Comment resolved. `X509Authentication` constructor simplified. Please also review the CSR at https://bugs.openjdk.java.net/browse/JDK-8273149.

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PR: https://git.openjdk.java.net/jdk/pull/5257