Fixing frozen=packed
Fixing frozen=packed

Test Plan:
```
fbconfig common/datastruct/counter/time_window/test/
fbmake dbg
// examine .../gen-cpp/TWDistinctCounterNaiveFrozen_types.h, ensure it specifies
// packing
```

Reviewed By: mpawlowski@fb.com

FB internal diff: D1324287

Blame Revision: D1253302


chjp2046/fbthrift,SergeyMakarenko/fbthrift,Orvid/fbthrift,kangkot/fbthrift,chjp2046/fbthrift,fengshao0907/fbthrift,chjp2046/fbthrift,fengshao0907/fbthrift,kangkot/fbthrift,uber/fbthrift,kangkot/fbthrift,Orvid/fbthrift,SergeyMakarenko/fbthrift,guker/fbthrift,jesboat/fbthrift,soumith/fbthrift,chjp2046/fbthrift,sinjar666/fbthrift,facebook/fbthrift,jesboat/fbthrift,facebook/fbthrift,fengshao0907/fbthrift,getyourguide/fbthrift,getyourguide/fbthrift,project-zerus/fbthrift,maxwell-demon/fbthrift,LinusU/fbthrift,uber/fbthrift,sinjar666/fbthrift,maxwell-demon/fbthrift,chjp2046/fbthrift,raphaelamorim/fbthrift,jesboat/fbthrift,maxwell-demon/fbthrift,soumith/fbthrift,chjp2046/fbthrift,soumith/fbthrift,sinjar666/fbthrift,uber/fbthrift,kangkot/fbthrift,HankFaan/fbthrift,kangkot/fbthrift,uber/fbthrift,HankFaan/fbthrift,LinusU/fbthrift,soumith/fbthrift,getyourguide/fbthrift,guker/fbthrift,fengshao0907/fbthrift,Orvid/fbthrift,sinjar666/fbthrift,soumith/fbthrift,raphaelamorim/fbthrift,guker/fbthrift,jesboat/fbthrift,project-zerus/fbthrift,uber/fbthrift,chjp2046/fbthrift,guker/fbthrift,soumith/fbthrift,project-zerus/fbthrift,Orvid/fbthrift,LinusU/fbthrift,project-zerus/fbthrift,HankFaan/fbthrift,kangkot/fbthrift,raphaelamorim/fbthrift,chjp2046/fbthrift,chjp2046/fbthrift,project-zerus/fbthrift,SergeyMakarenko/fbthrift,facebook/fbthrift,raphaelamorim/fbthrift,project-zerus/fbthrift,HankFaan/fbthrift,LinusU/fbthrift,Orvid/fbthrift,Orvid/fbthrift,facebook/fbthrift,sinjar666/fbthrift,facebook/fbthrift,guker/fbthrift,jesboat/fbthrift,sinjar666/fbthrift,raphaelamorim/fbthrift,fengshao0907/fbthrift,raphaelamorim/fbthrift,project-zerus/fbthrift,raphaelamorim/fbthrift,HankFaan/fbthrift,maxwell-demon/fbthrift,guker/fbthrift,LinusU/fbthrift,uber/fbthrift,HankFaan/fbthrift,uber/fbthrift,getyourguide/fbthrift,facebook/fbthrift,HankFaan/fbthrift,kangkot/fbthrift,maxwell-demon/fbthrift,fengshao0907/fbthrift,facebook/fbthrift,LinusU/fbthrift,SergeyMakarenko/fbthrift,sinjar666/fbthrift,chjp2046/fbthrift,Orvid/fbthrift,facebook/fbthrift,jesboat/fbthrift,SergeyMakarenko/fbthrift,getyourguide/fbthrift,maxwell-demon/fbthrift,jesboat/fbthrift,project-zerus/fbthrift,project-zerus/fbthrift,raphaelamorim/fbthrift,soumith/fbthrift,getyourguide/fbthrift,Orvid/fbthrift,soumith/fbthrift,maxwell-demon/fbthrift,fengshao0907/fbthrift,sinjar666/fbthrift,fengshao0907/fbthrift,raphaelamorim/fbthrift,SergeyMakarenko/fbthrift,jesboat/fbthrift,soumith/fbthrift,project-zerus/fbthrift,SergeyMakarenko/fbthrift,uber/fbthrift,HankFaan/fbthrift,HankFaan/fbthrift,getyourguide/fbthrift,uber/fbthrift,getyourguide/fbthrift,guker/fbthrift,guker/fbthrift,maxwell-demon/fbthrift,SergeyMakarenko/fbthrift,soumith/fbthrift,LinusU/fbthrift,fengshao0907/fbthrift,chjp2046/fbthrift,SergeyMakarenko/fbthrift,SergeyMakarenko/fbthrift,kangkot/fbthrift,kangkot/fbthrift,chjp2046/fbthrift,uber/fbthrift,guker/fbthrift,guker/fbthrift,jesboat/fbthrift,fengshao0907/fbthrift,sinjar666/fbthrift,kangkot/fbthrift,maxwell-demon/fbthrift,guker/fbthrift,facebook/fbthrift,jesboat/fbthrift,uber/fbthrift,kangkot/fbthrift,Orvid/fbthrift,getyourguide/fbthrift,SergeyMakarenko/fbthrift,raphaelamorim/fbthrift,getyourguide/fbthrift,LinusU/fbthrift,Orvid/fbthrift,project-zerus/fbthrift,Orvid/fbthrift,soumith/fbthrift,project-zerus/fbthrift,sinjar666/fbthrift,maxwell-demon/fbthrift,HankFaan/fbthrift,getyourguide/fbthrift,getyourguide/fbthrift,uber/fbthrift,fengshao0907/fbthrift,LinusU/fbthrift,LinusU/fbthrift,jesboat/fbthrift,SergeyMakarenko/fbthrift,LinusU/fbthrift,maxwell-demon/fbthrift,HankFaan/fbthrift,jesboat/fbthrift,raphaelamorim/fbthrift,sinjar666/fbthrift