RFR: 8318447: Move NMT source code to own subdirectory

Thu Oct 19 20:20:21 UTC 2023

I think that NMT is deserving of its own subdirectory. Can we do a review of the changes before I fix the merge conflicts?

1. Moved all the nmt source code from services/ to nmt/
2. Renamed all the include statements and sorted them
3. Fixed the include guards

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Commit messages:
 - Move NMT to its own subdirectory

Changes: https://git.openjdk.org/jdk/pull/16276/files
 Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=16276&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8318447
  Stats: 485 lines in 100 files changed: 204 ins; 206 del; 75 mod
  Patch: https://git.openjdk.org/jdk/pull/16276.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/16276/head:pull/16276

PR: https://git.openjdk.org/jdk/pull/16276