RFR: 8330989: unify os::create_binary_file across platforms [v2]

[Matthias Baesken]

> Seems os::create_binary_file can be unified across Posix platforms. Windows is also rather similar and can be included.

Matthias Baesken has updated the pull request incrementally with one additional commit since the last revision:

  unify windows as well

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Changes:
  - all: https://git.openjdk.org/jdk/pull/18918/files
  - new: https://git.openjdk.org/jdk/pull/18918/files/0e61a60b..e6ef26c1

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=18918&range=01
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=18918&range=00-01

  Stats: 21 lines in 3 files changed: 7 ins; 14 del; 0 mod
  Patch: https://git.openjdk.org/jdk/pull/18918.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/18918/head:pull/18918

PR: https://git.openjdk.org/jdk/pull/18918