Inabox: Support layers (#17823)
Inabox: Support layers (#17823)

* Inabox: Support layers

Layers returns scroll relative layout boxes.

* Add import

jpettitt/amphtml,mhc-gh/amphtml,erwinmombay/amphtml,laterpay/amphtml,smartadserver/amphtml,zhouyx/amphtml,BenDz/amphtml,cvializ/amphtml,techhtml/amphtml,jpettitt/amphtml,koshka/amphtml,yandex-pcode/amphtml,alanorozco/amphtml,danielrozenberg/amphtml,ampproject/amphtml,koshka/amphtml,taboola/amphtml,voyagegroup/amphtml,dotandads/amphtml,jpettitt/amphtml,ampproject/amphtml,mhc-gh/amphtml,jpettitt/amphtml,sharethrough/amphtml,BenDz/amphtml,koshka/amphtml,kamtschatka/amphtml,adup-tech/amphtml,jridgewell/amphtml,cory-work/amphtml,widespace-os/amphtml,koshka/amphtml,jmadler/amphtml,prateekbh/amphtml,src-code/amphtml,ampproject/amphtml,taboola/amphtml,yieldbot/amphtml,yieldbot/amphtml,techhtml/amphtml,honeybadgerdontcare/amphtml,ampproject/amphtml,cvializ/amphtml,sebastianbenz/amphtml,media-net/amphtml,yieldbot/amphtml,sebastianbenz/amphtml,smartadserver/amphtml,laterpay/amphtml,dotandads/amphtml,danielrozenberg/amphtml,zhangsu/amphtml,sebastianbenz/amphtml,rsimha-amp/amphtml,ampproject/amphtml,voyagegroup/amphtml,zhouyx/amphtml,kamtschatka/amphtml,dotandads/amphtml,honeybadgerdontcare/amphtml,erwinmombay/amphtml,ampproject/amphtml,adup-tech/amphtml,jridgewell/amphtml,erwinmombay/amphtml,prateekbh/amphtml,widespace-os/amphtml,danielrozenberg/amphtml,taboola/amphtml,Gregable/amphtml,techhtml/amphtml,mhc-gh/amphtml,zhouyx/amphtml,taboola/amphtml,alanorozco/amphtml,prateekbh/amphtml,dotandads/amphtml,danielrozenberg/amphtml,dotandads/amphtml,sebastianbenz/amphtml,smartadserver/amphtml,jpettitt/amphtml,zhangsu/amphtml,chaveznvg/amphtml,honeybadgerdontcare/amphtml,widespace-os/amphtml,danielrozenberg/amphtml,cory-work/amphtml,pedjoni8/amphtml,cory-work/amphtml,lannka/amphtml,techhtml/amphtml,yandex-pcode/amphtml,zhangsu/amphtml,media-net/amphtml,adup-tech/amphtml,mhc-gh/amphtml,prateekbh/amphtml,Gregable/amphtml,mhc-gh/amphtml,smartadserver/amphtml,jmadler/amphtml,voyagegroup/amphtml,smartadserver/amphtml,techhtml/amphtml,BenDz/amphtml,honeybadgerdontcare/amphtml,tlong2/amphtml,zhangsu/amphtml,danielrozenberg/amphtml,yandex-pcode/amphtml,prateekbh/amphtml,jmadler/amphtml,media-net/amphtml,erwinmombay/amphtml,nexxtv/amphtml,lannka/amphtml,yandex-pcode/amphtml,rsimha-amp/amphtml,tlong2/amphtml,voyagegroup/amphtml,cvializ/amphtml,sharethrough/amphtml,widespace-os/amphtml,adup-tech/amphtml,voyagegroup/amphtml,jpettitt/amphtml,src-code/amphtml,zhouyx/amphtml,yandex-pcode/amphtml,pedjoni8/amphtml,tlong2/amphtml,jpettitt/amphtml,alanorozco/amphtml,smartadserver/amphtml,Gregable/amphtml,nexxtv/amphtml,nexxtv/amphtml,rsimha-amp/amphtml,zhangsu/amphtml,mhc-gh/amphtml,BenDz/amphtml,jmadler/amphtml,rsimha-amp/amphtml,tlong2/amphtml,sebastianbenz/amphtml,chaveznvg/amphtml,Gregable/amphtml,BenDz/amphtml,mhc-gh/amphtml,pedjoni8/amphtml,chaveznvg/amphtml,src-code/amphtml,jridgewell/amphtml,nexxtv/amphtml,cvializ/amphtml,cvializ/amphtml,voyagegroup/amphtml,kamtschatka/amphtml,yieldbot/amphtml,nexxtv/amphtml,sharethrough/amphtml,jridgewell/amphtml,kamtschatka/amphtml,rsimha-amp/amphtml,widespace-os/amphtml,tlong2/amphtml,dotandads/amphtml,yieldbot/amphtml,ampproject/amphtml,alanorozco/amphtml,chaveznvg/amphtml,sebastianbenz/amphtml,media-net/amphtml,voyagegroup/amphtml,techhtml/amphtml,cory-work/amphtml,alanorozco/amphtml,lannka/amphtml,ampproject/amphtml,kamtschatka/amphtml,honeybadgerdontcare/amphtml,Gregable/amphtml,nexxtv/amphtml,jmadler/amphtml,jpettitt/amphtml,cory-work/amphtml,zhangsu/amphtml,lannka/amphtml,prateekbh/amphtml,nexxtv/amphtml,lannka/amphtml,yandex-pcode/amphtml,src-code/amphtml,danielrozenberg/amphtml,erwinmombay/amphtml,zhouyx/amphtml,Gregable/amphtml,taboola/amphtml,widespace-os/amphtml,zhouyx/amphtml,rsimha-amp/amphtml,honeybadgerdontcare/amphtml,rsimha-amp/amphtml,Gregable/amphtml,jridgewell/amphtml,sharethrough/amphtml,chaveznvg/amphtml,koshka/amphtml,jridgewell/amphtml,taboola/amphtml,laterpay/amphtml,laterpay/amphtml,cory-work/amphtml,erwinmombay/amphtml,cvializ/amphtml,yieldbot/amphtml,mhc-gh/amphtml,koshka/amphtml,prateekbh/amphtml,yandex-pcode/amphtml,media-net/amphtml,alanorozco/amphtml,media-net/amphtml,Gregable/amphtml,pedjoni8/amphtml,sharethrough/amphtml,alanorozco/amphtml,taboola/amphtml,adup-tech/amphtml,sharethrough/amphtml,pedjoni8/amphtml,kamtschatka/amphtml,lannka/amphtml,src-code/amphtml,honeybadgerdontcare/amphtml,BenDz/amphtml,adup-tech/amphtml,src-code/amphtml,danielrozenberg/amphtml,alanorozco/amphtml,media-net/amphtml,jmadler/amphtml,lannka/amphtml,jridgewell/amphtml,cory-work/amphtml,pedjoni8/amphtml,zhouyx/amphtml,laterpay/amphtml,media-net/amphtml,laterpay/amphtml,chaveznvg/amphtml,tlong2/amphtml