Transaction aborted on slave should be retries. The OPTION_BEGIN
  bit was cleared prematurely. Removed dependence of code on value
  of OPTION_BEGIN bit when executing retries.


mysql-test/r/rpl_ndb_basic.result:
  Result change.
mysql-test/t/disabled.def:
  Enabling test.
mysql-test/t/rpl_ndb_basic.test:
  Changing test to allow checking that slave did not stop.
sql/slave.cc:
  Rolling back transaction before retrying it.
  Only resetting transaction retries counter on a successful execution
  or a non-transitional error.