Merge "Update TEST_MAPPING" am: 426246d395 am: 281e76a385 am: d930d26b19 am: 638d0ee87b

Original change: https://android-review.googlesource.com/c/platform/external/rust/crates/smallvec/+/2004835

Change-Id: I0eaeda898febcbac3913208020bba04d3939de58