NNAPI SL Benchmark - Add option to specify vendor [5/n]. am: 6876a331e2

Original change: https://android-review.googlesource.com/c/platform/test/mlts/benchmark/+/2096398

Change-Id: If802713250ea2f42ce63f8cb1f214155fdf0758f
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>