Fix futures-io/METADATA am: 0d0638d6ba am: 8bb794694f am: e3d2ac36f5 am: cd120f3b88

Original change: https://android-review.googlesource.com/c/platform/external/rust/crates/futures-io/+/1414128

Change-Id: Idee556e43a2a90db63b67ecdb7f2d53a1b600381