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

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

Change-Id: Ifd263dd17cbe2f69788f778b2b4ee01aa45d3713