Disabled 'rpl_redirect', failure is sporadic and and the test is superfluous
rpl_packet.test, rpl_packet.result:
  Removing race conditions from rpl_packet causing test to fail


mysql-test/suite/rpl/t/disabled.def:
  Disabled 'rpl_redirect', failure is sporadic and and the test is superfluous
mysql-test/suite/rpl/r/rpl_packet.result:
  Result change.
mysql-test/suite/rpl/t/rpl_packet.test:
  Setting net_buffer_length correctly for the test instead of relying on it
  being set correctly. Waiting for slave to stop after issuing a SLAVE STOP
  and waiting for slave to start when issuing a SLAVE START to prevent race
  conditions causing test failure.