libhwbinder_benchmark -= 1 race am: 2fcf57e9fd am: a7d0f03525 am: f780c1cda1

Original change: https://android-review.googlesource.com/c/platform/system/libhwbinder/+/1950636

Change-Id: I964479ed9778fc496a39caddd397ae4826d001a1