amp-bayside: Fix analytics byside vendor endpoint (#14414)
amp-bayside: Fix analytics byside vendor endpoint (#14414)

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