RFR: 8332125: [nmt] Totals in diff report should print out total malloc and mmap diffs

[Sonia Zaldana Calles]

On Thu, 23 May 2024 19:54:11 GMT, Sonia Zaldana Calles <szaldana at openjdk.org> wrote:

> Hi all, 
> 
> This PR addresses [8332125](https://bugs.openjdk.org/browse/JDK-8332125) enabling printing total malloc and mmap diffs when printing an NMT diff report. 
> 
> Testing: 
> - [x] Added test case passes. 
> 
> Thanks, 
> Sonia

GHA failures are unrelated to this PR. Same test failure can be observed across all new PRs.

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PR Comment: https://git.openjdk.org/jdk/pull/19373#issuecomment-2133448874