Update TEST_MAPPING am: 96133be249 am: 9944fad6a7 am: cdd335b478

Original change: https://android-review.googlesource.com/c/platform/external/rust/crates/fxhash/+/2411798

Change-Id: I3dce73acb4e48bc3c7ed979f12758de2218da15d
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>