message: Fix an accidental change in the choice of memory scheduler.
diff: @@ -409,7 +409,7 @@ StatusOr<HloInstructionSequence> ScheduleComputationHelper(
  return algorithm(computation, points_to_analysis, alias_analysis,
  size_function, memory_by_computation);
  }
  - return DFSMemoryScheduler(computation, points_to_analysis, alias_analysis,
  + return DefaultMemoryScheduler(computation, points_to_analysis, alias_analysis,
  size_function, memory_by_computation);
  }
  