Update TEST_MAPPING am: 48f690597f am: 9d07c804cf

Original change: https://android-review.googlesource.com/c/platform/external/rust/crates/idna/+/2411739

Change-Id: I1ea0c46bd051b28204e99f662c59e9441b9a16b7
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>