Update TEST_MAPPING am: 72f0890b13

Original change: https://android-review.googlesource.com/c/platform/external/rust/crates/async-task/+/2398957

Change-Id: I6209f96628b922179bc32302c58b34efc0f5b38e
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>