Update TEST_MAPPING am: 88f13915e1 am: a78bf184e4

Original change: https://android-review.googlesource.com/c/platform/external/rust/crates/codespan-reporting/+/2411856

Change-Id: Iec3134afd2ea90eef6950237425da299c58e80a6
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>