RFR: 8269685: Optimize HeapHprofBinWriter implementation [v10]

[Lin Zang]

On Fri, 24 Sep 2021 19:01:02 GMT, Serguei Spitsyn <sspitsyn at openjdk.org> wrote:

>> Lin Zang has updated the pull request with a new target base due to a merge or a rebase. The pull request now contains 12 commits:
>> 
>>  - Merge branch 'master' into hprof
>>  - code refine
>>  - code refine
>>  - Merge branch 'master' into hprof
>>  - code clean up and refinement
>>  - Merge branch 'master' into hprof
>>  - make calculateGlobalJNIHandlesDumpRecordSize abstract
>>  - code clean up and remove useless methods
>>  - Merge branch 'master' into hprof
>>  - fix write size issue
>>  - ... and 2 more: https://git.openjdk.java.net/jdk/compare/0c050be6...1da3ab12
>
> Lin, thank you for the update. I like suggestions/simplifications from Alex.

Thanks @sspitsyn and @alexmenkov for your review and approvel! I will push this PR after 1 day if there is no new comments. 

BRs,
Lin

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PR: https://git.openjdk.java.net/jdk/pull/4666