RFR: 8343785: (fs) Remove syscalls that set file times with microsecond precision [v2]

[Brian Burkhalter]

> Remove the syscalls `utimes`, `futimes`, and `lutimes` that set the file access and modification times using microsecond precision.

Brian Burkhalter has updated the pull request incrementally with one additional commit since the last revision:

  8343785: Use file descriptor in preference to path; add AIX to test @requires

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Changes:
  - all: https://git.openjdk.org/jdk/pull/21989/files
  - new: https://git.openjdk.org/jdk/pull/21989/files/5442e7ce..ef3d0a45

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=21989&range=01
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=21989&range=00-01

  Stats: 163 lines in 3 files changed: 80 ins; 17 del; 66 mod
  Patch: https://git.openjdk.org/jdk/pull/21989.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/21989/head:pull/21989

PR: https://git.openjdk.org/jdk/pull/21989