DERBY-6267; Add ability to compactly specify a complete query plan in an optimizer override.
   adding accessDeclaredMembers permission to the derbyTesting.codeclasses codebase in lang/resultSetReader.policy.


git-svn-id: https://svn.apache.org/repos/asf/db/derby/code/trunk@1575164 13f79535-47bb-0310-9956-ffa450edef68