Update TEST_MAPPING am: 51b265d07a am: f1b8423cf4 am: 6b31c1450c am: 4de42e0e7d am: 734d906a0f

Original change: https://android-review.googlesource.com/c/platform/external/rust/crates/codespan-reporting/+/2107313

Change-Id: Ie0e9761f154b8240638f5a7ddc887c69e158fc17
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>