MDEV-9464 perfschema.global_read_lock fails when executed after perfschema.dml_setup_instruments

dml_setup_instruments did not restore settings in setup_instruments table
after updating it as a part of the test flow

mysql-test/suite/perfschema/t/dml_setup_instruments.test

@@ -88,3 +88,10 @@ UNLOCK TABLES;
 --echo
 UPDATE performance_schema.setup_instruments SET timed='NO'
 ORDER BY RAND();
+
+# MTR is configured to start with everything set to ON,
+# so we need to restore it after the previous update
+--disable_query_log
+update performance_schema.setup_instruments set timed='YES';
+--enable_query_log
+