RFR: 8341060: Cleanup statics in HeapDumper

[Serguei Spitsyn]

On Fri, 27 Sep 2024 01:28:18 GMT, Alex Menkov <amenkov at openjdk.org> wrote:

> The fix cleans up static variables/methods in HeapDumper.
> See jira for details.
> 
> Testing:
>   heap dump-related tests (test/hotspot/jtreg/serviceability, test/hotspot/jtreg/compiler/c2/TestReduceAllocationAndHeapDump.java, test/hotspot/jtreg/runtime/ErrorHandling, test/hotspot/jtreg/gc/epsilon, test/jdk/sun/tools/jhsdb, test/jdk/sun/tools/jmap, test/jdk/com/sun/management/HotSpotDiagnosticMXBean)

Looks simpler and good.

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Marked as reviewed by sspitsyn (Reviewer).

PR Review: https://git.openjdk.org/jdk/pull/21216#pullrequestreview-2333372754