hg: jdk/sandbox: minor session management improvements to try to address some bugs

[adam.petcher at oracle.com]

Changeset: 4a3deb6759b1
Author:    apetcher
Date:      2018-05-15 14:54 -0400
URL:       http://hg.openjdk.java.net/jdk/sandbox/rev/4a3deb6759b1

minor session management improvements to try to address some bugs

! src/java.base/share/classes/sun/security/ssl/Finished.java
! 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