mysql-test/r/lock_multi_bug38499.result:
  Update test case result.
mysql-test/r/lock_multi_bug38691.result:
  Update test case result.
mysql-test/t/lock_multi_bug38499.test:
  Do not sync .frm files.
mysql-test/t/lock_multi_bug38691.test:
  Do not sync .frm files.