Clean up rust_test_host TEST_MAPPING after default update am: e038f42a7e am: c8fc5e106e

Original change: https://android-review.googlesource.com/c/platform/external/rust/crates/libsqlite3-sys/+/1582658

MUST ONLY BE SUBMITTED BY AUTOMERGER

Change-Id: I5c2731da7647c0cec71553937bceee0c7e1d54d5