[7u4] Request for approval for CR 7093090 - Reduce synchronization in java.security.Policy.getPolicyNoCheck

[Sean Mullan]

bug: http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=7093090

Same patch as JDK 8 changeset:
http://hg.openjdk.java.net/jdk8/tl/jdk/rev/1945abeb82a0

Thanks,
Sean