CRAS: Unittests - suppress c++17 exception warning

It's an ABI breakage warning and the unit tests don't export a stable
ABI.

Change-Id: I8957d47b536d99094d2ab2c11351fe12a796bd89
Signed-off-by: Dylan Reid <dgreid@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/997139
Reviewed-by: Cheng-Yi Chiang <cychiang@chromium.org>
Reviewed-by: Louis Collard <louiscollard@chromium.org>
1 file changed