Add sessreg, xfindproxy, xrx to build_apps
Add sessreg, xfindproxy, xrx to build_apps

tmzt/androix-util-modular,freedesktop-unofficial-mirror/xorg__util__modular,tmzt/androix-util-modular,freedesktop-unofficial-mirror/xorg__util__modular,freedesktop-unofficial-mirror/xorg__util__modular