The lock_type is upgrade to TL_WRITE from TL_WRITE_DELAYED for
INSERT DELAYED when inserting multi values in one statement.
It's safe. But it causes an unsafe warning in SBR.
      
Make INSERT DELAYED safe by logging it as INSERT without DELAYED.


mysql-test/extra/binlog_tests/binlog_insert_delayed.test:
  Updated the test file to test multi INSERT DELAYED statement
  is no longer causes an unsafe warning and binlogged as INSERT
  without DELAYED.
mysql-test/extra/rpl_tests/create_recursive_construct.inc:
  Updated for the patch of bug#54579.
mysql-test/suite/binlog/r/binlog_row_binlog.result:
  Updated for the patch of bug#54579.
mysql-test/suite/binlog/r/binlog_statement_insert_delayed.result:
  Test result for BUG#54579.
mysql-test/suite/binlog/r/binlog_stm_binlog.result:
  Updated for the patch of bug#54579.
mysql-test/suite/binlog/r/binlog_unsafe.result:
  Updated for the patch of bug#54579.
mysql-test/suite/binlog/t/binlog_unsafe.test:
  Updated for the patch of bug#54579.
sql/sql_insert.cc:
  Added code to genetate a new query string for removing
  DELAYED keyword for multi INSERT DEALAYED statement.
sql/sql_yacc.yy:
  Added code to record the DELAYED keyword position and remove the setting
  of unsafe statement for INSERT DELAYED statement