With the addition of `jdk.internal.util.OperatingSystem` references to the system property `os.name` can be replaced. This PR exports jdk.internal.util to: - java.prefs, - java.security.jgss, - java.smartcardio, - jdk.charsets, - jdk.net, - jdk.zipfs
------------- Commit messages: - In jdk.prefs module, Replace os.name with OperatingSystem enum - Use OperatingSystem methods instead of system property os.name Changes: https://git.openjdk.org/jdk/pull/13335/files Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=13335&range=00 Issue: https://bugs.openjdk.org/browse/JDK-8304911 Stats: 131 lines in 13 files changed: 24 ins; 54 del; 53 mod Patch: https://git.openjdk.org/jdk/pull/13335.diff Fetch: git fetch https://git.openjdk.org/jdk.git pull/13335/head:pull/13335 PR: https://git.openjdk.org/jdk/pull/13335
