build-system: lazy preDist and preBuild configuration (#36480)
build-system: lazy preDist and preBuild configuration (#36480)


Gregable/amphtml,media-net/amphtml,alanorozco/amphtml,jridgewell/amphtml,alanorozco/amphtml,mhc-gh/amphtml,danielrozenberg/amphtml,honeybadgerdontcare/amphtml,jpettitt/amphtml,Gregable/amphtml,mhc-gh/amphtml,jridgewell/amphtml,ampproject/amphtml,alanorozco/amphtml,Gregable/amphtml,jpettitt/amphtml,Gregable/amphtml,honeybadgerdontcare/amphtml,danielrozenberg/amphtml,media-net/amphtml,media-net/amphtml,mhc-gh/amphtml,jpettitt/amphtml,alanorozco/amphtml,jpettitt/amphtml,ampproject/amphtml,ampproject/amphtml,danielrozenberg/amphtml,mhc-gh/amphtml,honeybadgerdontcare/amphtml,jpettitt/amphtml,ampproject/amphtml,mhc-gh/amphtml,alanorozco/amphtml,media-net/amphtml,jridgewell/amphtml,honeybadgerdontcare/amphtml,ampproject/amphtml,Gregable/amphtml,alanorozco/amphtml,danielrozenberg/amphtml,jridgewell/amphtml,jridgewell/amphtml,jridgewell/amphtml,honeybadgerdontcare/amphtml,danielrozenberg/amphtml,jpettitt/amphtml,Gregable/amphtml,jpettitt/amphtml,ampproject/amphtml,mhc-gh/amphtml,ampproject/amphtml,media-net/amphtml,honeybadgerdontcare/amphtml,media-net/amphtml,jpettitt/amphtml,media-net/amphtml,jridgewell/amphtml,danielrozenberg/amphtml,alanorozco/amphtml,Gregable/amphtml,honeybadgerdontcare/amphtml,mhc-gh/amphtml,media-net/amphtml,ampproject/amphtml,danielrozenberg/amphtml,alanorozco/amphtml,Gregable/amphtml,danielrozenberg/amphtml,mhc-gh/amphtml