Update TEST_MAPPING am: 4ac1d78d69 am: a7a3676ac5 am: 53ed0988ee am: fb79354f4b

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

Change-Id: I51d62c0451375aa648a87fe95b2ee1c662850a29
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>