RFR: 8343417: (fs) BasicFileAttributeView.setTimes uses microsecond precision with NOFOLLOW_LINKS [v3]

[Brian Burkhalter]

> Add support for setting the last access and last modification times of symbolic links with nanosecond precision on Linux where the system call `utimensat(2)` is available.

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

  8343417: Use utimensat or lutimes when not following links

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Changes:
  - all: https://git.openjdk.org/jdk/pull/21886/files
  - new: https://git.openjdk.org/jdk/pull/21886/files/26feef6c..08f5b7df

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=21886&range=02
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=21886&range=01-02

  Stats: 30 lines in 2 files changed: 8 ins; 1 del; 21 mod
  Patch: https://git.openjdk.org/jdk/pull/21886.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/21886/head:pull/21886

PR: https://git.openjdk.org/jdk/pull/21886