CODETOOLS-7903501: JOL: Reformat heapdump-estimates output

[shipilev]

Heapdump-estimates is a very useful tool to select a proper JVM mode, based on heap dump of live objects. We can make it much more human-readable.

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Progress

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Issue

• CODETOOLS-7903501: JOL: Reformat heapdump-estimates output (Enhancement - P4)

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