Galera MTR Tests: remove variable output from galera_gra_log.test (take #2)

mysql-test/suite/galera/r/galera_gra_log.result

@@ -18,7 +18,7 @@ AAAAAAAAAAAAAAAAAAC6ecBVEzgNAAgAEgAEBAQEEgAAXAAEGggAAAAICAgCAAAACgoKGRkAAKNu
 Jfk=
 '/*!*/;
 # at 120
-<ISO TIMESTAMP> server id 1  end_log_pos 91 	Query	thread_id=7	exec_time=0	error_code=0
+<ISO TIMESTAMP> server id 1  end_log_pos 91 	Query	thread_id=<QUERY_THREAD_ID>	exec_time=0	error_code=0
 use `test`/*!*/;
 SET TIMESTAMP=<TIMESTAMP>/*!*/;
 SET @@session.pseudo_thread_id=<PSEUDO_THREAD_ID>/*!*/;

mysql-test/suite/galera/t/galera_gra_log.test

@@ -28,7 +28,7 @@ SELECT COUNT(*) = 0 FROM t1;
 --exec cat $MYSQLTEST_VARDIR/mysqld.2/data/GRA_*.log >> $gra_binlog_file
 
 # Make sure the binlog thus produced is readable and contains the failure
---replace_regex /SET TIMESTAMP=[0-9]+/SET TIMESTAMP=<TIMESTAMP>/ /#[0-9]+ +[0-9]+:[0-9]+:[0-9]+/<ISO TIMESTAMP>/ /pseudo_thread_id=[0-9]+/pseudo_thread_id=<PSEUDO_THREAD_ID>/
+--replace_regex /SET TIMESTAMP=[0-9]+/SET TIMESTAMP=<TIMESTAMP>/ /#[0-9]+ +[0-9]+:[0-9]+:[0-9]+/<ISO TIMESTAMP>/ /pseudo_thread_id=[0-9]+/pseudo_thread_id=<PSEUDO_THREAD_ID>/ /thread_id=[0-9]+/thread_id=<QUERY_THREAD_ID>/
 --exec $MYSQL_BINLOG $gra_binlog_file
 
 SET SESSION wsrep_on=ON;