Fix scoring test for unsupported models and models without evaluators.

Bug: 133207854

Test: build_and_run_benchmark.sh

Change-Id: I1c5a481a35072b7c8b72711dfb011744a389c886
Merged-In: I1c5a481a35072b7c8b72711dfb011744a389c886
(cherry picked from commit c8361d8b489ec1e8dd040a10a441615a7aa46a0c)
6 files changed