Cleanup NNAPI host-side CTS test

This CL cleans up the NNAPI hostside CTS test comments and logging.

Bug: 232277065
Test: mma
Test: presubmit
Change-Id: I15206d99f7ea56a61e94fa40dc830d17cae1478c
Merged-In: I15206d99f7ea56a61e94fa40dc830d17cae1478c
(cherry picked from commit 1c04fadb93a0a8e117643856c4bb61a0012ede7c)
1 file changed