build: Use AM_V_GEN where applicable
build: Use AM_V_GEN where applicable

ritzk/gnome-online-accounts,felipeborges/gnome-online-accounts,Distrotech/gnome-online-accounts,ritzk/gnome-online-accounts,Distrotech/gnome-online-accounts,halfline/gnome-online-accounts,ritzk/gnome-online-accounts,halfline/gnome-online-accounts,halfline/gnome-online-accounts,felipeborges/gnome-online-accounts,felipeborges/gnome-online-accounts,Distrotech/gnome-online-accounts