[9] request for review: 8048147: Privilege tests with JAAS Subject.doAs

[Artem Smotrakov]

Hello,

Please review a couple of new tests for privilege checks on Subject.doAs().

https://bugs.openjdk.java.net/browse/JDK-8048147
http://cr.openjdk.java.net/~asmotrak/8048147/webrev.00/

Artem