RFR: 8297134: Add a @sealedGraph tag to InetAddress

[Per Minborg]

On Wed, 16 Nov 2022 15:03:36 GMT, Jaikiran Pai <jpai at openjdk.org> wrote:

>> Hello Per, this looks fine to me. A general question - should we be doing a similar thing for other classes in this module?
>
>>  A general question - should we be doing a similar thing for other classes in this module?
> 
> I just noticed you have another PR which does a similar thing for another class in this module. So that answers my question. Approving this current PR.

Thanks @jaikiran. I opted to issue one PR per class as there might be different opinions if we should expose the graph or not.

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PR: https://git.openjdk.org/jdk/pull/11184