Update TEST_MAPPING am: ab1c426703 am: 64ca3415cf

Original change: https://android-review.googlesource.com/c/platform/external/rust/crates/gdbstub_arch/+/2411480

Change-Id: I3b9f4a22838654d50bf8434f8a62660011eceefc
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>