aries-common: set ro.bq.gpu_to_cpu_unsupported

This tells SurfaceFlinger to always use the CPU
pipeline for taking screenshot. We don't actually need
this since our surface type isn't supported by Bitmap
and will defaults to CPU anyway, but setting it doesn't
hurt.

Change-Id: I35c15dff969a89990c0f4ef6512cb79ab3c71362
Signed-off-by: Pawit Pornkitprasan <p.pawit@gmail.com>