MDEV-31003: Second execution for ps-protocol

This patch adds for "--ps-protocol" second execution
of queries "SELECT".
Also in this patch it is added ability to disable/enable
(--disable_ps2_protocol/--enable_ps2_protocol) second
execution for "--ps-prototocol" in testcases.

mysql-test/include/query_cache_sql_prepare.inc

@@ -23,6 +23,8 @@
 set GLOBAL query_cache_type=ON;
 set LOCAL query_cache_type=ON;
 
+--disable_ps2_protocol
+
 connect (con1,localhost,root,,test,$MASTER_MYPORT,);
 connection default;
 
@@ -252,6 +254,7 @@ set @a=10;
 execute stmt1 using @a;
 show status like 'Qcache_hits';
 
+--enable_ps2_protocol
 
 drop table t1;
 disconnect con1;