RFR: 8319522: Consolidate heap dump writer and other utilities [v2]

[Yi Yang]

On Wed, 10 Jan 2024 02:02:05 GMT, Yi Yang <yyang at openjdk.org> wrote:

>> Move heap dump writer to heapdumpcompression.hpp and rename it to heapdumpwriter.hpp so that all heapdump utilities appears in the same file. A further refactor is remove AbstractDumpWriter and use DumpWriter directly.
>
> Yi Yang has updated the pull request with a new target base due to a merge or a rebase. The pull request now contains one commit:
> 
>   8319522: Consolidate heap dump writer and other utilities

Can I have a review for this?

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PR Comment: https://git.openjdk.org/jdk/pull/16520#issuecomment-1895012184