Test fixes


mysql-test/r/binlog_stm_ctype_cp932.result:
  Fixed result file
mysql-test/r/rpl_switch_stm_row_mixed.result:
  Fixed result file
mysql-test/t/disabled.def:
  Disabled test case
mysql-test/t/rpl_switch_stm_row_mixed.test:
  Fix test
sql/handler.cc:
  Fix to not replicate mysql.event table