hg: jdk/jdk: 8218889: Improperly use of the Optional API

[xuelei.fan at oracle.com]

Changeset: 01d8eae542ff
Author:    xuelei
Date:      2019-03-22 13:47 -0700
URL:       http://hg.openjdk.java.net/jdk/jdk/rev/01d8eae542ff

8218889: Improperly use of the Optional API
Reviewed-by: jnimeh, wetmore

! src/java.base/share/classes/sun/security/ssl/NewSessionTicket.java
! src/java.base/share/classes/sun/security/ssl/PreSharedKeyExtension.java
! src/java.base/share/classes/sun/security/ssl/SSLSessionImpl.java
! src/java.base/share/classes/sun/security/ssl/ServerHello.java