RFR: 8361349: Fix visibility of CollectedHeap::stop() and ::print_tracing_info() [v2]

[Abdelhak Zaaim]

On Mon, 7 Jul 2025 16:21:57 GMT, Thomas Schatzl <tschatzl at openjdk.org> wrote:

>> Hi all,
>> 
>>   please review this refactoring to improve the visibility of `CollectedHeap::stop()` and `CH::print_tracing_info()`.
>> 
>> The change moves these methods to `protected` visibility.
>> 
>> Testing: gha
>> 
>> Thanks,
>>   Thomas
>
> Thomas Schatzl has updated the pull request incrementally with one additional commit since the last revision:
> 
>   * iwalulya suggested to make leaf classes use private; although probably one wants to use final, but Hotspot does not seem to use that

Marked as reviewed by abdelhak-zaaim at github.com (no known OpenJDK username).

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PR Review: https://git.openjdk.org/jdk/pull/26160#pullrequestreview-2995023091