test-text-perf: Add a wider range of characters
test-text-perf: Add a wider range of characters

Instead of just using the latin alphabet, this adds digits and some
other alphabets to increase the range of glyphs used.

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