Add Android.mk for flingd-coffee.
Add Android.mk for flingd-coffee.

Signed-off-by: Bao Zhen <0c17ddceb3071d32d637bf884d4ad3d465c295fe@infthink.com>

gbraad/flingd-coffee,gbraad/flingd-coffee,openflint/flingd-coffee,openflint/flingd-coffee