seconds -> milliseconds (#12338)
seconds -> milliseconds (#12338)

Closes https://github.com/ampproject/amphtml/issues/12319
Gregable/amphtml,techhtml/amphtml,cory-work/amphtml,zhouyx/amphtml,lannka/amphtml,kamtschatka/amphtml,pedjoni8/amphtml,prateekbh/amphtml,laterpay/amphtml,sebastianbenz/amphtml,jridgewell/amphtml,Gregable/amphtml,powdercloud/amphtml,camelburrito/amphtml,nexxtv/amphtml,rsimha-amp/amphtml,chaveznvg/amphtml,bpaduch/amphtml,sriramkrish85/amphtml,honeybadgerdontcare/amphtml,voyagegroup/amphtml,cory-work/amphtml,sebastianbenz/amphtml,donttrustthisbot/amphtml,rsimha-amp/amphtml,engtat/amphtml,sharethrough/amphtml,erwinmombay/amphtml,jmadler/amphtml,media-net/amphtml,ampproject/amphtml,yieldmo/amphtml,zhouyx/amphtml,voyagegroup/amphtml,koshka/amphtml,danielrozenberg/amphtml,camelburrito/amphtml,tlong2/amphtml,src-code/amphtml,nexxtv/amphtml,ampproject/amphtml,zhouyx/amphtml,alanorozco/amphtml,honeybadgerdontcare/amphtml,bpaduch/amphtml,zhouyx/amphtml,zhangsu/amphtml,luciancrasovan/amphtml,erwinmombay/amphtml,tlong2/amphtml,zhangsu/amphtml,danielrozenberg/amphtml,smartadserver/amphtml,camelburrito/amphtml,jpettitt/amphtml,yieldmo/amphtml,alanorozco/amphtml,pedjoni8/amphtml,honeybadgerdontcare/amphtml,media-net/amphtml,mhc-gh/amphtml,clawr/amphtml,prateekbh/amphtml,cory-work/amphtml,smartadserver/amphtml,jmadler/amphtml,yieldbot/amphtml,sebastianbenz/amphtml,sharethrough/amphtml,luciancrasovan/amphtml,danielrozenberg/amphtml,powdercloud/amphtml,cvializ/amphtml,jridgewell/amphtml,bpaduch/amphtml,sebastianbenz/amphtml,bpaduch/amphtml,dotandads/amphtml,tlong2/amphtml,prateekbh/amphtml,shawnbuso/amphtml,laterpay/amphtml,yandex-pcode/amphtml,ampproject/amphtml,dotandads/amphtml,mhc-gh/amphtml,luciancrasovan/amphtml,zhangsu/amphtml,yieldbot/amphtml,shawnbuso/amphtml,lannka/amphtml,yandex-pcode/amphtml,smartadserver/amphtml,laterpay/amphtml,camelburrito/amphtml,media-net/amphtml,yandex-pcode/amphtml,voyagegroup/amphtml,jpettitt/amphtml,shawnbuso/amphtml,lannka/amphtml,ampproject/amphtml,yieldbot/amphtml,rsimha-amp/amphtml,Gregable/amphtml,danielrozenberg/amphtml,danielrozenberg/amphtml,zhouyx/amphtml,koshka/amphtml,techhtml/amphtml,laterpay/amphtml,cvializ/amphtml,koshka/amphtml,chaveznvg/amphtml,sriramkrish85/amphtml,sriramkrish85/amphtml,engtat/amphtml,shawnbuso/amphtml,adup-tech/amphtml,chaveznvg/amphtml,donttrustthisbot/amphtml,engtat/amphtml,yieldmo/amphtml,rsimha-amp/amphtml,yandex-pcode/amphtml,alanorozco/amphtml,media-net/amphtml,mhc-gh/amphtml,nexxtv/amphtml,zhouyx/amphtml,adup-tech/amphtml,src-code/amphtml,engtat/amphtml,aghassemi/amphtml,widespace-os/amphtml,danielrozenberg/amphtml,aghassemi/amphtml,alanorozco/amphtml,koshka/amphtml,koshka/amphtml,mhc-gh/amphtml,mhc-gh/amphtml,voyagegroup/amphtml,clawr/amphtml,danielrozenberg/amphtml,sriramkrish85/amphtml,src-code/amphtml,luciancrasovan/amphtml,BenDz/amphtml,pedjoni8/amphtml,pedjoni8/amphtml,bpaduch/amphtml,techhtml/amphtml,mhc-gh/amphtml,powdercloud/amphtml,alanorozco/amphtml,sriramkrish85/amphtml,donttrustthisbot/amphtml,chaveznvg/amphtml,taboola/amphtml,alanorozco/amphtml,kamtschatka/amphtml,shawnbuso/amphtml,jpettitt/amphtml,cory-work/amphtml,voyagegroup/amphtml,erwinmombay/amphtml,nexxtv/amphtml,smartadserver/amphtml,dotandads/amphtml,bpaduch/amphtml,sharethrough/amphtml,jpettitt/amphtml,erwinmombay/amphtml,jridgewell/amphtml,yieldbot/amphtml,cory-work/amphtml,pedjoni8/amphtml,lannka/amphtml,yieldmo/amphtml,adup-tech/amphtml,nexxtv/amphtml,ampproject/amphtml,clawr/amphtml,cvializ/amphtml,lannka/amphtml,rsimha-amp/amphtml,techhtml/amphtml,widespace-os/amphtml,media-net/amphtml,jmadler/amphtml,lannka/amphtml,danielrozenberg/amphtml,jmadler/amphtml,sebastianbenz/amphtml,taboola/amphtml,clawr/amphtml,Gregable/amphtml,Gregable/amphtml,donttrustthisbot/amphtml,dotandads/amphtml,yieldbot/amphtml,bpaduch/amphtml,aghassemi/amphtml,erwinmombay/amphtml,sharethrough/amphtml,shawnbuso/amphtml,chaveznvg/amphtml,ampproject/amphtml,taboola/amphtml,zhangsu/amphtml,jpettitt/amphtml,lannka/amphtml,clawr/amphtml,BenDz/amphtml,jmadler/amphtml,yandex-pcode/amphtml,kamtschatka/amphtml,donttrustthisbot/amphtml,smartadserver/amphtml,voyagegroup/amphtml,kamtschatka/amphtml,yieldbot/amphtml,yieldmo/amphtml,luciancrasovan/amphtml,yieldmo/amphtml,adup-tech/amphtml,adup-tech/amphtml,prateekbh/amphtml,erwinmombay/amphtml,tlong2/amphtml,prateekbh/amphtml,ampproject/amphtml,media-net/amphtml,engtat/amphtml,jpettitt/amphtml,BenDz/amphtml,smartadserver/amphtml,honeybadgerdontcare/amphtml,yieldmo/amphtml,jpettitt/amphtml,zhangsu/amphtml,yandex-pcode/amphtml,tlong2/amphtml,widespace-os/amphtml,zhangsu/amphtml,src-code/amphtml,cvializ/amphtml,koshka/amphtml,sriramkrish85/amphtml,powdercloud/amphtml,honeybadgerdontcare/amphtml,clawr/amphtml,rsimha-amp/amphtml,techhtml/amphtml,pedjoni8/amphtml,src-code/amphtml,Gregable/amphtml,nexxtv/amphtml,widespace-os/amphtml,Gregable/amphtml,camelburrito/amphtml,honeybadgerdontcare/amphtml,aghassemi/amphtml,luciancrasovan/amphtml,yandex-pcode/amphtml,taboola/amphtml,powdercloud/amphtml,powdercloud/amphtml,taboola/amphtml,laterpay/amphtml,jpettitt/amphtml,sharethrough/amphtml,jridgewell/amphtml,aghassemi/amphtml,cory-work/amphtml,src-code/amphtml,kamtschatka/amphtml,powdercloud/amphtml,widespace-os/amphtml,tlong2/amphtml,jridgewell/amphtml,alanorozco/amphtml,rsimha-amp/amphtml,widespace-os/amphtml,BenDz/amphtml,BenDz/amphtml,aghassemi/amphtml,shawnbuso/amphtml,mhc-gh/amphtml,cvializ/amphtml,sharethrough/amphtml,camelburrito/amphtml,cvializ/amphtml,jmadler/amphtml,engtat/amphtml,media-net/amphtml,honeybadgerdontcare/amphtml,Gregable/amphtml,media-net/amphtml,dotandads/amphtml,zhouyx/amphtml,adup-tech/amphtml,cory-work/amphtml,ampproject/amphtml,voyagegroup/amphtml,chaveznvg/amphtml,kamtschatka/amphtml,laterpay/amphtml,taboola/amphtml,prateekbh/amphtml,alanorozco/amphtml,dotandads/amphtml,techhtml/amphtml,donttrustthisbot/amphtml,jridgewell/amphtml,taboola/amphtml,engtat/amphtml,BenDz/amphtml,mhc-gh/amphtml,prateekbh/amphtml,luciancrasovan/amphtml,nexxtv/amphtml,donttrustthisbot/amphtml,clawr/amphtml,sebastianbenz/amphtml,camelburrito/amphtml,jridgewell/amphtml