[xs] RFR: 8146967: [TEST_BUG] javax/security/auth/SubjectDomainCombiner/Optimize.java should use 4-args ProtectionDomain constructor

[Ivan Gerasimov]

Hello!

Would you please help review the fix that solves the issue spotted when 
running the test with earlier version of jdk?

BUGURL: https://bugs.openjdk.java.net/browse/JDK-8146967
WEBREV: http://cr.openjdk.java.net/~igerasim/8146967/00/webrev/

Sincerely yours,
Ivan