Update TEST_MAPPING am: a77fa60b18 am: 9551aaceba

Original change: https://android-review.googlesource.com/c/platform/external/rust/crates/num_cpus/+/2411487

Change-Id: I0c3b9be226c15d7c835a1d30e21ca9f57bfdcd01
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>