Update TEST_MAPPING am: 76e56e04a6 am: f97d116cb2 am: 4f28e0a7bf

Original change: https://android-review.googlesource.com/c/platform/external/rust/crates/thiserror/+/2398876

Change-Id: Ia4729f5829982d19adf1ef050a08a047088ed21a
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>