Added --silent option andd just test results via select. This will keep down...

Added --silent option andd just test results via select. This will keep down the appearance of non deterministic responses. 
This is for bug#17384

mysql-test/r/mysqldump.result

@@ -2666,8 +2666,6 @@ We the people	in order to perform
 a more perfect	union
 test.t1: Records: 2  Deleted: 0  Skipped: 0  Warnings: 0
 test.t2: Records: 2  Deleted: 0  Skipped: 0  Warnings: 0
-test.t1: Records: 2  Deleted: 0  Skipped: 0  Warnings: 0
-test.t2: Records: 2  Deleted: 0  Skipped: 0  Warnings: 0
 select * from t1;
 a	b
 Duck, Duck	goose

mysql-test/t/disabled.def

@@ -39,4 +39,3 @@ binlog_row_insert_select : Bug #17385
 rpl_row_basic_2myisam : Bug #17385
 rpl_row_basic_3innodb : Bug #17385
 rpl_row_create_table : Bug #17385
-mysqldump : Bug #17383 Bug #17384

mysql-test/t/mysqldump.test

@@ -1066,7 +1066,7 @@ select * from t2;
 # The first load tests the pausing code
 --exec $MYSQL_IMPORT --use-threads=1 test $MYSQLTEST_VARDIR/tmp/t1.txt $MYSQLTEST_VARDIR/tmp/t2.txt
 # Now we test with multiple threads!
---exec $MYSQL_IMPORT --use-threads=5 test $MYSQLTEST_VARDIR/tmp/t1.txt $MYSQLTEST_VARDIR/tmp/t2.txt
+--exec $MYSQL_IMPORT --silent --use-threads=5 test $MYSQLTEST_VARDIR/tmp/t1.txt $MYSQLTEST_VARDIR/tmp/t2.txt
 select * from t1;
 select * from t2;