RFR: 8370804: G1: Make G1HeapRegionAttr::remset_is_tracked() conform to coding style [v3]

[Thomas Schatzl]

> Hi all,
> 
>   please fix several places where the `remset_is_tracked` getter and related identifiers do not fit hotspot style, recommending the verb as first part.
> 
> Testing: gha
> 
> (Please note the dependency on #28038)
> 
> Thanks,
>   Thomas

Thomas Schatzl has updated the pull request with a new target base due to a merge or a rebase. The pull request now contains seven commits:

 - Merge branch 'master' into 8370804-remset-is-tracked-style2
 - Merge branch '8370807-pinned-region-flag-not-propagated' into 8370804-remset-is-tracked-style2
 - Merge branch 'master' into 8370807-pinned-region-flag-not-propagated
 - * ayang review
 - Update src/hotspot/share/gc/g1/g1CollectedHeap.cpp
 - 8370804
   
   Hi all,
   
     please fix several places where the `remset_is_tracked` getter and related identifiers do not fit hotspot style, recommending the verb as first part.
   
   Testing: gha
   
   Thanks,
     Thomas
 - 8370807
   
   Hi all,
   
     please review this cleanup of the region attribute registration methods.
   
   Testing: gha
   
   Thanks,
     Thomas

-------------

Changes: https://git.openjdk.org/jdk/pull/28039/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=28039&range=02
  Stats: 26 lines in 6 files changed: 0 ins; 0 del; 26 mod
  Patch: https://git.openjdk.org/jdk/pull/28039.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/28039/head:pull/28039

PR: https://git.openjdk.org/jdk/pull/28039