RFR: 8332123: [nmt] Move mallocLimit code to the nmt subdir [v3]

[Sonia Zaldana Calles]

> Hi all, 
> 
> This PR addresses [8332123](https://bugs.openjdk.org/browse/JDK-8332123) moving malloc limit code under the nmt subdirectory. 
> 
> Thanks, 
> Sonia

Sonia Zaldana Calles has updated the pull request with a new target base due to a merge or a rebase. The incremental webrev excludes the unrelated changes brought in by the merge/rebase. The pull request contains four additional commits since the last revision:

 - Merge branch 'openjdk:master' into JDK-8332123
 - Updating copyright headers
 - Reordering include statements to alphabetical order
 - 8332123: [nmt] Move mallocLimit code to the nmt subdir

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

Changes:
  - all: https://git.openjdk.org/jdk/pull/19462/files
  - new: https://git.openjdk.org/jdk/pull/19462/files/612cd0b5..672a0a50

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=19462&range=02
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=19462&range=01-02

  Stats: 7695 lines in 213 files changed: 4259 ins; 2718 del; 718 mod
  Patch: https://git.openjdk.org/jdk/pull/19462.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/19462/head:pull/19462

PR: https://git.openjdk.org/jdk/pull/19462