[10] Review request: 8184077: Resolve Singleton TODO

[victor . drozdov]

Chris,

Please review my changes about removing getSessionSpecificString()


JIRA: https://bugs.openjdk.java.net/browse/JDK-8184077
Webrev: http://cr.openjdk.java.net/~vdrozdov/JDK-8184077/webrev.0/

--Victor