Clean up rust_test_host TEST_MAPPING after default update am: e038f42a7e

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

MUST ONLY BE SUBMITTED BY AUTOMERGER

Change-Id: I594e5b2f094b79d50b74ce1576378425711fcb06