message: Minor fix in TF memory profiler.
diff: @@ -323,7 +323,7 @@ void InsertSpecialAllocations(int64 unmapped_allocation_bytes, int64 step_id,
  FillActivityMetadata(
  HostEventType::kMemoryAllocation,
  {unmapped_allocation_bytes, unmapped_allocation_bytes, 0,
  - "preallocated/unknown", step_id, "persist", 0, "unknown"},
  + "preallocated/unknown", step_id, "persist/dynamic", 0, "unknown"},
  special_allocation);
  active_allocs->push_back({--index, special_allocation});
  }
  