Merge "Add mmap syscall benchmarks" into main am: 706e228154 am: 912ec5801f

Original change: https://android-review.googlesource.com/c/platform/bionic/+/2715842

Change-Id: I88a140ba40a586d9d51c990bb6e62f32a334b313
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>