Merge "Update TEST_MAPPING" am: 5d58760a0a am: 3d49a1426a am: 3c703c342d

Original change: https://android-review.googlesource.com/c/platform/external/rust/crates/slab/+/2123297

Change-Id: I4c9418883d0fa03d9ce7708eaec97fb387f1fa98
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>