RFR: 8295944: Move the Http2TestServer and related classes into a package of its own [v4]

[Jaikiran Pai]

On Wed, 25 Jan 2023 07:02:07 GMT, Jaikiran Pai <jpai at openjdk.org> wrote:

>> Can I please get a review of this change which addresses https://bugs.openjdk.org/browse/JDK-8295944?
>> 
>> As noted in the issue, the HttpClient testing helper infrastructure code resides in a default (unnamed) packages within the test hierarchy. The commit in this PR moves those classes into a specific package. The tests have been updated to refer to them correctly with proper package name references.
>> Additionally as noted in the issue, the `@modules` declaration used in the httpclient tests, were all the same and were repeated in all these tests. The commit in this  PR moves those module references into the `TEST.properties` to centralize such reference. Any test which needs additional modules can then use specific `@modules` declaration in the test definition.
>> 
>> No functional changes have been done in this PR.
>> 
>> tier1, tier2 and tier3 testing passed after these changes.
>
> Jaikiran Pai has updated the pull request incrementally with one additional commit since the last revision:
> 
>   review suggestion - remove more common usages of @modules

Thank you Daniel for the review. tier1, tier2, tier3 testing came back successful.

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PR: https://git.openjdk.org/jdk/pull/12160