Update TEST_MAPPING am: 4ac1d78d69 am: a7a3676ac5 am: 53ed0988ee

Original change: https://android-review.googlesource.com/c/platform/external/rust/crates/either/+/2107317

Change-Id: I46bb6db0528997b0f94582d4093547d4dacfab89
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>