RFR: 8292218: Convert PackageEntryTable to ResourceHashtable [v2]

[Coleen Phillimore]

On Thu, 11 Aug 2022 19:10:39 GMT, Coleen Phillimore <coleenp at openjdk.org> wrote:

>> This is the conversion of the PackageEntryTable, which is stored one per ClassLoaderData to ResourceHashtable.  Much like the module table and uses the Module_lock.
>> Tested with tier1-3 on linux, windows, mac.
>
> Coleen Phillimore has updated the pull request incrementally with one additional commit since the last revision:
> 
>   Fix debug info and module name comparison.

@lfoltan thank you for the comments and reviewing the code.

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PR: https://git.openjdk.org/jdk/pull/9837