ISPN-4881 OptimisticLockingTxClusterExtendedStatisticLogicTest.createBef...

...oreClass fails on JDK8

* Set @Start priority higher than LockManager and RpcManager

https://issues.jboss.org/browse/ISPN-4881
RpcManagerImpl is set to 9 and LockManagerImpl doesn't seem to have a start annotation.  I am assuming you just meant DeadlockDetectingLockManager.java