Refactor removing the dependencies on SecurityManager, doPrivileged, and AccessController.
------------- Depends on: https://git.openjdk.org/jdk/pull/21498 Commit messages: - Simplify the generation of the exception message. - Remove security manager impl in java.lang.Process and java.lang.Runtime.exec Changes: https://git.openjdk.org/jdk/pull/22024/files Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=22024&range=00 Issue: https://bugs.openjdk.org/browse/JDK-8343958 Stats: 166 lines in 5 files changed: 0 ins; 106 del; 60 mod Patch: https://git.openjdk.org/jdk/pull/22024.diff Fetch: git fetch https://git.openjdk.org/jdk.git pull/22024/head:pull/22024 PR: https://git.openjdk.org/jdk/pull/22024
