Don't fail early if an exclude file has a problem.
Don't fail early if an exclude file has a problem.

This should make it easier to update to new versions of a test suite when test file locations change.

BUG= none
R=jvoung@chromium.org

Review URL: https://codereview.chromium.org/26491009

git-svn-id: 721b910a23eff8a86f00c8fd261a7587cddf18f8@12250 fcba33aa-ac0c-11dd-b9e7-8d5594d729c2

sbc100/native_client,sbc100/native_client,sbc100/native_client,sbc100/native_client,sbc100/native_client,sbc100/native_client