changes due to non-determinism in value of read_buffer_size.


mysql-test/r/rpl_loaddata_map.result:
  results changed
mysql-test/t/rpl_loaddata_map.test:
  showing only the fact that the buffer size is larger than the packet size.
mysql-test/std_data/bug30435_10k_items.txt:
  data for bug#30435 regression testing
mysql-test/std_data/bug30435_5k.txt:
  data for bug#30435 regression testing