Suppress cpp2 layout generation for compatibility mode
Suppress cpp2 layout generation for compatibility mode

Summary: I was getting build issues with ##sigma/haxl## until I fixed this.

Test Plan: Build lots of things

Reviewed By: philipp@fb.com

Subscribers: ruibalp, alandau

FB internal diff: D1484935

Tasks: 4756711

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