Use css.js for autoplay styles (#22713)
Use css.js for autoplay styles (#22713)

* Use css.js for autoplay styles

* Rename generated CSS file

rsimha-amp/amphtml,ampproject/amphtml,erwinmombay/amphtml,prateekbh/amphtml,taboola/amphtml,zhouyx/amphtml,src-code/amphtml,alanorozco/amphtml,zhangsu/amphtml,jpettitt/amphtml,alanorozco/amphtml,jmadler/amphtml,zhangsu/amphtml,jpettitt/amphtml,sharethrough/amphtml,nexxtv/amphtml,jridgewell/amphtml,lannka/amphtml,src-code/amphtml,jmadler/amphtml,Gregable/amphtml,smartadserver/amphtml,danielrozenberg/amphtml,prateekbh/amphtml,alanorozco/amphtml,cory-work/amphtml,adup-tech/amphtml,alanorozco/amphtml,danielrozenberg/amphtml,zhouyx/amphtml,sharethrough/amphtml,sharethrough/amphtml,jridgewell/amphtml,nexxtv/amphtml,dotandads/amphtml,jpettitt/amphtml,prateekbh/amphtml,yandex-pcode/amphtml,jridgewell/amphtml,alanorozco/amphtml,zhouyx/amphtml,lannka/amphtml,Gregable/amphtml,cory-work/amphtml,zhouyx/amphtml,prateekbh/amphtml,zhouyx/amphtml,lannka/amphtml,ampproject/amphtml,src-code/amphtml,lannka/amphtml,taboola/amphtml,danielrozenberg/amphtml,taboola/amphtml,sharethrough/amphtml,yandex-pcode/amphtml,tlong2/amphtml,lannka/amphtml,jpettitt/amphtml,rsimha-amp/amphtml,zhangsu/amphtml,dotandads/amphtml,smartadserver/amphtml,smartadserver/amphtml,erwinmombay/amphtml,rsimha-amp/amphtml,src-code/amphtml,taboola/amphtml,sharethrough/amphtml,honeybadgerdontcare/amphtml,alanorozco/amphtml,mhc-gh/amphtml,tlong2/amphtml,taboola/amphtml,jridgewell/amphtml,alanorozco/amphtml,honeybadgerdontcare/amphtml,tlong2/amphtml,yandex-pcode/amphtml,dotandads/amphtml,danielrozenberg/amphtml,tlong2/amphtml,media-net/amphtml,danielrozenberg/amphtml,jridgewell/amphtml,sharethrough/amphtml,nexxtv/amphtml,zhouyx/amphtml,dotandads/amphtml,honeybadgerdontcare/amphtml,yandex-pcode/amphtml,danielrozenberg/amphtml,erwinmombay/amphtml,nexxtv/amphtml,jridgewell/amphtml,honeybadgerdontcare/amphtml,mhc-gh/amphtml,voyagegroup/amphtml,lannka/amphtml,alanorozco/amphtml,smartadserver/amphtml,adup-tech/amphtml,taboola/amphtml,Gregable/amphtml,jmadler/amphtml,rsimha-amp/amphtml,cory-work/amphtml,voyagegroup/amphtml,erwinmombay/amphtml,zhangsu/amphtml,media-net/amphtml,src-code/amphtml,voyagegroup/amphtml,dotandads/amphtml,tlong2/amphtml,danielrozenberg/amphtml,Gregable/amphtml,jmadler/amphtml,erwinmombay/amphtml,Gregable/amphtml,adup-tech/amphtml,danielrozenberg/amphtml,mhc-gh/amphtml,media-net/amphtml,zhouyx/amphtml,tlong2/amphtml,Gregable/amphtml,honeybadgerdontcare/amphtml,smartadserver/amphtml,lannka/amphtml,zhangsu/amphtml,media-net/amphtml,mhc-gh/amphtml,taboola/amphtml,erwinmombay/amphtml,Gregable/amphtml,Gregable/amphtml,prateekbh/amphtml,src-code/amphtml,prateekbh/amphtml,rsimha-amp/amphtml,ampproject/amphtml,media-net/amphtml,cory-work/amphtml,nexxtv/amphtml,mhc-gh/amphtml,mhc-gh/amphtml,cory-work/amphtml,dotandads/amphtml,zhangsu/amphtml,mhc-gh/amphtml,media-net/amphtml,voyagegroup/amphtml,mhc-gh/amphtml,honeybadgerdontcare/amphtml,adup-tech/amphtml,voyagegroup/amphtml,adup-tech/amphtml,nexxtv/amphtml,voyagegroup/amphtml,media-net/amphtml,jmadler/amphtml,media-net/amphtml,ampproject/amphtml,jmadler/amphtml,jpettitt/amphtml,smartadserver/amphtml,yandex-pcode/amphtml,voyagegroup/amphtml,ampproject/amphtml,honeybadgerdontcare/amphtml,prateekbh/amphtml,ampproject/amphtml,rsimha-amp/amphtml,adup-tech/amphtml,cory-work/amphtml,ampproject/amphtml,jpettitt/amphtml,rsimha-amp/amphtml,cory-work/amphtml,ampproject/amphtml,jridgewell/amphtml,jpettitt/amphtml,yandex-pcode/amphtml,nexxtv/amphtml,jpettitt/amphtml,yandex-pcode/amphtml