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

[Matthias Baesken]

On Wed, 24 Apr 2024 06:11:31 GMT, David Holmes <dholmes at openjdk.org> wrote:

> I think we can fold in the Windows version too and put it in os.cpp with one `WINDOWS_ONLY(xxx)` part

There is only a small difference, so why not  !

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PR Comment: https://git.openjdk.org/jdk/pull/18918#issuecomment-2074320934