Move NO_AT_BRIDGE test to the library
Move NO_AT_BRIDGE test to the library

https://bugzilla.gnome.org/show_bug.cgi?id=678125

GNOME/at-spi2-core,GNOME/at-spi2-core,Distrotech/at-spi2-atk,Distrotech/at-spi2-atk,GNOME/at-spi2-atk,GNOME/at-spi2-core