Make futures-util available to product and vendor am: e07497862c am: cf9fa42930 am: 28d6c4fdda

Original change: https://android-review.googlesource.com/c/platform/external/rust/crates/futures-util/+/2475386

Change-Id: Ifc481672fdaba08f86812e6948b5b510ee7fbfdc
Signed-off-by: Automerger Merge Worker <[email protected]>