Add debug log for procedure stack id related operations

2018-10-24 03:46:12,842 ERROR [Time-limited test] wal.WALProcedureTree(198): Missing stack id 6, max stack id is 8, root procedure is Procedure(pid=42, ppid=-1, class=org.apache.hadoop.hbase.master.assignment.MergeTableRegionsProcedure)

2018-10-24 03:46:12,847 ERROR [Time-limited test] procedure2.ProcedureExecutor$2(451): Corrupt pid=42, state=WAITING:MERGE_TABLE_REGIONS_CHECK_CLOSED_REGIONS, hasLock=false; MergeTableRegionsProcedure table=testRollbackAndDoubleExecution, regions=[72aed4d14ac73faaa1755e248a55b71a, a848f3ca26989865d5cccc9cd0683ae6], forcibly=false
2018-10-24 03:46:12,847 ERROR [Time-limited test] procedure2.ProcedureExecutor$2(451): Corrupt pid=43, ppid=42, state=RUNNABLE:REGION_STATE_TRANSITION_CONFIRM_CLOSED, hasLock=false; TransitRegionStateProcedure table=testRollbackAndDoubleExecution, region=72aed4d14ac73faaa1755e248a55b71a, UNASSIGN
2018-10-24 03:46:12,848 ERROR [Time-limited test] procedure2.ProcedureExecutor$2(451): Corrupt pid=44, ppid=42, state=WAITING:REGION_STATE_TRANSITION_CONFIRM_CLOSED, hasLock=false; TransitRegionStateProcedure table=testRollbackAndDoubleExecution, region=a848f3ca26989865d5cccc9cd0683ae6, UNASSIGN
2018-10-24 03:46:12,848 ERROR [Time-limited test] procedure2.ProcedureExecutor$2(451): Corrupt pid=45, ppid=43, state=SUCCESS, hasLock=false; org.apache.hadoop.hbase.master.assignment.CloseRegionProcedure
2018-10-24 03:46:12,849 ERROR [Time-limited test] procedure2.ProcedureExecutor$2(451): Corrupt pid=46, ppid=44, state=RUNNABLE, hasLock=false; org.apache.hadoop.hbase.master.assignment.CloseRegionProcedure