Update TEST_MAPPING am: 16befe9303 am: fd7d7eac77

Original change: https://android-review.googlesource.com/c/platform/external/rust/crates/proc-macro-error-attr/+/2107127

Change-Id: Iff061ce8298d2fa08304cea79fc91c2e0cb1e09b
Signed-off-by: Automerger Merge Worker <[email protected]>