Added atk-overrides.txt file.
Added atk-overrides.txt file.

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