fbdraw.c: Draw a small square using framebuffer

Signed-off-by: Gajanan Bhat <gajananbhat87@gmail.com>
Added Makefile

Signed-off-by: Gajanan Bhat <gajananbhat87@gmail.com>
Added Android.mk

Signed-off-by: Gajanan Bhat <gajananbhat87@gmail.com>