Fix cargo test. am: e007c37603

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

Change-Id: If3b7ef79af994cacb033012ac456e65bc79a4409
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>