master
8253119: Remove the legacy PlainSocketImpl and PlainDatagramSocketImpl implementation
8223463: Replace wildcard address with loopback or local host in tests - part 2
8187443: Forest Consolidation: Move files to unified layout
8278326: Socket close is not thread safe and other cleanup
8278339: ServerSocket::isClosed may return false after accept throws
8223457: java.net.ServerSocket protected constructor should throw NPE if impl null
8267184: Add -Djava.security.manager=allow to tests calling System.setSecurityManager
8282506: Clean up remaining references to TwoStacksPlain*SocketImpl