and table DDL changed after PREPARE" to pass in embedded mode.


mysql-test/r/ps.result:
  Update results (Bug#27430)
mysql-test/r/ps_ddl.result:
  Update results (Bug#27430)
mysql-test/t/ps.test:
  Add a test case for Bug#27430. ps.test is not run in --embedded-server,
  thus it now contains the part of the test for Bug#27430 that
  doesn't work in embedded server.
mysql-test/t/ps_ddl.test:
  Move a part of the test for Bug#27430 that doesn't work
  in embedded server to ps.test, that includes not_embedded.inc.