RFR: 8338696: (fs) BasicFileAttributes.creationTime() falls back to epoch if birth time is unavailable (Linux) [v2]

[Brian Burkhalter]

> Set the value returned by `BasicFileAttributes.creationTime()` on Linux to the birth time, if available, otherwise return the last modified time.

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

  8338696: Delete empty comment lines

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Changes:
  - all: https://git.openjdk.org/jdk/pull/20655/files
  - new: https://git.openjdk.org/jdk/pull/20655/files/2c604eb8..347e9060

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=20655&range=01
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=20655&range=00-01

  Stats: 4 lines in 1 file changed: 0 ins; 4 del; 0 mod
  Patch: https://git.openjdk.org/jdk/pull/20655.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/20655/head:pull/20655

PR: https://git.openjdk.org/jdk/pull/20655