Socket: Integrate upstream changes from 8u121-b13

- Minor javadoc changes

Bug: 64065632
Test: m
Change-Id: Ib1a353252377d1b106dd086bfbf4a711cb10842e
diff --git a/ojluni/src/main/java/java/net/Socket.java b/ojluni/src/main/java/java/net/Socket.java
index 03e2b71..f509bcd 100644
--- a/ojluni/src/main/java/java/net/Socket.java
+++ b/ojluni/src/main/java/java/net/Socket.java
@@ -1060,7 +1060,7 @@
      *
      * The setting only affects socket close.
      *
-     * @return the setting for SO_LINGER.
+     * @return the setting for {@link SocketOptions#SO_LINGER SO_LINGER}.
      * @exception SocketException if there is an error
      * in the underlying protocol, such as a TCP error.
      * @since   JDK1.1