RFR: JDK-8294837: unify Windows 2019 version check in os_windows and java_props_md

[Matthias Baesken]

On Wed, 5 Oct 2022 09:21:50 GMT, Matthias Baesken <mbaesken at openjdk.org> wrote:

> Currently the buildNumber check for Windows 2019 server differs in os_windows.cpp and java_props_md.c ( java_props_md.c still checks pre GA versions , this is probably not necessary any more ).
> The check should be unified.

Hi Roger and Alan, thanks for the reviews.

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PR: https://git.openjdk.org/jdk/pull/10570