RFR: 8316433: net.dll should delay load winhttp.dll [v2]

[Magnus Ihse Bursie]

On Tue, 19 Sep 2023 07:02:32 GMT, Daniel Jeliński <djelinski at openjdk.org> wrote:

>> WinHTTP functions are only used when an application:
>> - uses DefaultProxySelector to resolve proxies, and
>> - is run with -Djava.net.useSystemProxies=true
>> 
>> In all other cases, loading winhttp.dll is a waste of resources.
>> 
>> Verified that:
>> - existing tier1 and tier2 tests still pass
>> - the same system proxies are returned with and without this patch
>> - WinHTTP is not loaded unless DefaultProxySelector is used
>
> Daniel Jeliński has updated the pull request incrementally with one additional commit since the last revision:
> 
>   Revert test changes

Looks good to me.

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Marked as reviewed by ihse (Reviewer).

PR Review: https://git.openjdk.org/jdk/pull/15793#pullrequestreview-1637441771