8165109: langtools/test switches to use new CLI options
Reviewed-by: jjg, amlu

8144062: Move jdk.Version to java.lang.Runtime.Version
Reviewed-by: abuckley, alanb, forax, jjg, mchung, psandoz

8149757: Implement Multi-Release JAR aware JavacFileManager for javac
Reviewed-by: jjg, jlahoda
Contributed-by: steve.drach@oracle.com