[9] Review request: JDK-8170851: Secondary Launchers picks wrong main class from module

[Victor Drozdov]

Chris,

Please review the changes about picking wrong main class from module.

JIRA: https://bugs.openjdk.java.net/browse/JDK-8170851
Webrev: http://cr.openjdk.java.net/~vdrozdov/JDK-8170851/webrev.00/

--Victor