[9] Review Request for 8132958: [TEST_BUG] Part 1: update client tests failing after changes in setAccessible(true) routine

[Yuri Nesterenko]

Colleagues,

please review this test-only fix.
Some tests would need more elaborate permissions now to access
the private methods of internal classes.

CR is https://bugs.openjdk.java.net/browse/JDK-8132958
Webrev see in http://cr.openjdk.java.net/~yan/8132958/webrev.00/
A diff in a moved closed test is in
  http://cr.openjdk.java.net/~yan/8132958/webrev.diff.00/

Thanks,
-yan