In my experience there is no such thing as an "easy degree". Every program is difficult in its own way and how difficult you find it depends on how much you enjoy the material and your own strengths. I would suggest that instead of approaching this as what program you think med admissions would like best, you consider what you are most interested in. You will likely do better and work harder if it is something you genuinely want to learn. Admission policy and committees change and will likely be different 4 years out when you complete your undergrad. So instead of trying to game the system, fi