RFR: 7105350: HttpExchange's attributes are the same as HttpContext's attributes [v17]

[Michael McMahon]

On Fri, 24 Oct 2025 06:06:44 GMT, Josiah Noel <duke at openjdk.org> wrote:

>> Now ExchangeImpl will default to having a separate attribute map for the request duration.
>
> Josiah Noel has updated the pull request incrementally with one additional commit since the last revision:
> 
>   Update ExchangeAttributeTest.java

LGTM

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Marked as reviewed by michaelm (Reviewer).

PR Review: https://git.openjdk.org/jdk/pull/27652#pullrequestreview-3375716352