Update TEST_MAPPING am: 2a0a11811e am: 48398554ed

Original change: https://android-review.googlesource.com/c/platform/external/rust/crates/proc-macro2/+/2399263

Change-Id: I06a095262ab75a39a28c1b229b931743c5ee7515
Signed-off-by: Automerger Merge Worker <[email protected]>