i700_evk: ueventd: add /dev/dri/card0
Fixes the following error log: avc: denied { write } for comm="RenderThread" name="card0" dev="tmpfs" ino=763 scontext=u:r:priv_app:s0:c512,c768 tcontext=u:object_r:graphics_device:s0 tclass=chr_file permissive=0 app=com.android.launcher3 avc: denied { write } for comm="RenderThread" name="card0" dev="tmpfs" ino=763 scontext=u:r:platform_app:s0:c512,c768 tcontext=u:object_r:graphics_device:s0 tclass=chr_file permissive=0 app=com.android.systemui
Cc: @JulienMasson
Edited by Esteban Blanc