test-flow-layout: Track stage size by default
test-flow-layout: Track stage size by default

Instead of requiring a special command line switch.

djdeath/clutter,nobled/clutter,GNOME/clutter,djdeath/clutter-multithreaded,Distrotech/clutter,djdeath/clutter-multithreaded,spatulasnout/clutter,djdeath/clutter,dlespiau/clutter,kerrickstaley/clutter-vala,ebassi/clutter,nobled/clutter,spatulasnout/clutter,heysion/clutter-clone,heysion/clutter-clone,djdeath/clutter-android,Distrotech/clutter,ebassi/clutter,GNOME/clutter,GNOME/clutter,ebassi/clutter,collects/clutter,dlespiau/clutter,collects/clutter,spatulasnout/clutter,djdeath/clutter,djdeath/clutter,jigpu/clutter,collects/clutter,jigpu/clutter,Distrotech/clutter,Distrotech/clutter,Distrotech/clutter,kerrickstaley/clutter-vala,spatulasnout/clutter,dlespiau/clutter,djdeath/clutter-android,kerrickstaley/clutter-vala,djdeath/clutter-android,ebassi/clutter,jigpu/clutter,djdeath/clutter-android,jigpu/clutter,djdeath/clutter,nobled/clutter,heysion/clutter-clone,djdeath/clutter-android,heysion/clutter-clone,collects/clutter,djdeath/clutter-multithreaded,GNOME/clutter,collects/clutter,ebassi/clutter,GNOME/clutter,djdeath/clutter,spatulasnout/clutter,jigpu/clutter,Distrotech/clutter,djdeath/clutter-multithreaded,kerrickstaley/clutter-vala,heysion/clutter-clone,jigpu/clutter