RFR: 8357559: G1HeapRegionManager refactor rename functions related to the number of regions in different states

[Thomas Schatzl]

On Fri, 23 May 2025 08:53:15 GMT, Ivan Walulya <iwalulya at openjdk.org> wrote:

> Hi,
> 
> Please review this refactoring of functions names in G1HeapRegionManager and removing duplicate methods.
> 
> Testing: gha

Marked as reviewed by tschatzl (Reviewer).

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PR Review: https://git.openjdk.org/jdk/pull/25408#pullrequestreview-2870132697