[jdk8u-dev] RFR: 8269850: Most JDK releases report macOS version 12 as 10.16 instead of 12.0

[Olga Mikhaltsova]

I'd like to backport JDK-8269850 to jdk8u in order to fix the incorrect version detection for macOS.

The patch applied manually due to the location difference:
src/java.base/macosx/native/libjava/java_props_macosx.c (source)
jdk/src/solaris/native/java/lang/java_props_macosx.c (destination)
But it's small and low risk. The changes are related only to one function void setOSNameAndVersion(..) within the single file. The patch is identical to the original one.

Tested with a simple test printing the OS version on macOS Monterey:

public class Main {
    public static void main(String[] args) {
        System.out.println(System.getProperty("os.version"));
    }
}

-------------

Depends on: https://git.openjdk.org/jdk8u-dev/pull/125

Commit messages:
 - Backport 3b1b8fc646493eae5f4df828afe29abb75fa5e60

Changes: https://git.openjdk.org/jdk8u-dev/pull/126/files
 Webrev: https://webrevs.openjdk.org/?repo=jdk8u-dev&pr=126&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8269850
  Stats: 25 lines in 1 file changed: 7 ins; 12 del; 6 mod
  Patch: https://git.openjdk.org/jdk8u-dev/pull/126.diff
  Fetch: git fetch https://git.openjdk.org/jdk8u-dev pull/126/head:pull/126

PR: https://git.openjdk.org/jdk8u-dev/pull/126