Make libsmallvec available to resolv module am: 8ae8fd4570 am: fda98b38d8

Original change: https://android-review.googlesource.com/c/platform/external/rust/crates/smallvec/+/2535584

Change-Id: Ied4b64fe22cf370e8407fa74d57caf56b838f927
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>