CRAS: Fix unit test without APM enabled

Need to fix include paths from anything that uses DSP.
Don't double define APM functions.

Change-Id: Ib69a7e5b4825e58b73f21d9d8e893966e546cdf7
Signed-off-by: Dylan Reid <dgreid@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/1170353
5 files changed