RFR: 8353444: NMT: rename 'category' to 'MemTag' in malloc tracker [v6]

[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:

  reverted some renamings

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

Changes:
  - all: https://git.openjdk.org/jdk/pull/25226/files
  - new: https://git.openjdk.org/jdk/pull/25226/files/79aba10b..d5340232

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=25226&range=05
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=25226&range=04-05

  Stats: 18 lines in 7 files changed: 0 ins; 0 del; 18 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