RFR: 8328919: Add BodyHandlers / BodySubscribers methods to handle excessive server input [v13]

[Jaikiran Pai]

On Wed, 22 Jan 2025 09:45:16 GMT, Volkan Yazici <vyazici at openjdk.org> wrote:

>> Adds `limiting()` factory methods to `HttpResponse.Body{Handlers,Subscribers}` to handle excessive server input in `HttpClient`. I would appreciate your input whether `discardExcess` should be kept or dropped. I plan to file a CSR once there is an agreement on the PR.
>
> Volkan Yazici has updated the pull request incrementally with one additional commit since the last revision:
> 
>   Verify `limiting()` doesn't affect header parsing

Overall, these changes look good to me. There are just a few things to address in the test, which I have added inline.

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PR Comment: https://git.openjdk.org/jdk/pull/23096#issuecomment-2607504685