Merge "Update TEST_MAPPING" am: b17af3852b

Original change: https://android-review.googlesource.com/c/platform/external/rust/crates/futures-macro/+/2124859

Change-Id: I09e110d029f7e807327758793d0f028c07dfd974
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>