hg: jdk/submit: 8225426: Replace plain with system-default in Socket and ServerSocket

[chris.hegarty at oracle.com]

Changeset: fc4042870cc4
Author:    chegar
Date:      2019-06-11 09:21 +0100
URL:       http://hg.openjdk.java.net/jdk/submit/rev/fc4042870cc4

8225426: Replace plain with system-default in Socket and ServerSocket
Reviewed-by: alanb, dfuchs

! src/java.base/share/classes/java/net/ServerSocket.java
! src/java.base/share/classes/java/net/Socket.java