Merge "Add -Wno-unused-parameter to native benchmark target" am: 0a2749b5aa am: 6780dd079a am: 0d022bc14f

Original change: https://android-review.googlesource.com/c/platform/test/mlts/benchmark/+/1615842

MUST ONLY BE SUBMITTED BY AUTOMERGER

Change-Id: I6ad2a626419da7d11cc5f1b8ad08c68d2dc6c186