Refactored the internal handling of `stdin/out/err.encoding` to allow setting them only via command-line options by converting them into `StaticProperty`. This change prevents unexpected behavior caused by applications modifying these properties at runtime using `System.setProperty()`.
------------- Commit messages: - Several more locations - initial commit Changes: https://git.openjdk.org/jdk/pull/25860/files Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=25860&range=00 Issue: https://bugs.openjdk.org/browse/JDK-8359732 Stats: 69 lines in 13 files changed: 50 ins; 0 del; 19 mod Patch: https://git.openjdk.org/jdk/pull/25860.diff Fetch: git fetch https://git.openjdk.org/jdk.git pull/25860/head:pull/25860 PR: https://git.openjdk.org/jdk/pull/25860
