RFR: 8353444: NMT: rename 'category' to 'MemTag' in malloc tracker [v4]

[Afshin Zafari]

> Renamed usage of 'category' for 'MemTag' cases.

Afshin Zafari has updated the pull request incrementally with one additional commit since the last revision:

  copyright fixed

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

Changes:
  - all: https://git.openjdk.org/jdk/pull/25226/files
  - new: https://git.openjdk.org/jdk/pull/25226/files/85cfb2b4..0fddfd38

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=25226&range=03
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=25226&range=02-03

  Stats: 1 line in 1 file changed: 0 ins; 0 del; 1 mod
  Patch: https://git.openjdk.org/jdk/pull/25226.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/25226/head:pull/25226

PR: https://git.openjdk.org/jdk/pull/25226