Make futures-test available to product and vendor am: 6638efa2c4 am: 7845187c63 am: b3c58b9fad am: 2a89154301

Original change: https://android-review.googlesource.com/c/platform/external/rust/crates/futures-test/+/2476410

Change-Id: Ie8057d9d4dfa823f0770e6a3eea4958578ecefb8
Signed-off-by: Automerger Merge Worker <[email protected]>