Fix cargo test. am: e007c37603 am: d01f0c523b am: 9d21f7e5b6

Original change: https://android-review.googlesource.com/c/platform/external/rust/crates/ring/+/2841413

Change-Id: I37ea17324cd70936feb814acca8df6520d56a312
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>