hg: jdk-updates/jdk11u-dev: 8218889: Improperly use of the Optional API

[christoph.langer at sap.com]

Changeset: c8e12b226125
Author:    xuelei
Date:      2019-03-22 13:47 -0700
URL:       https://hg.openjdk.java.net/jdk-updates/jdk11u-dev/rev/c8e12b226125

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