Fix futures/METADATA am: 1b4e3c7999 am: ed9fc8e7e1 am: 00b23eb1e9 am: 527165c610

Original change: https://android-review.googlesource.com/c/platform/external/rust/crates/futures/+/1414089

Change-Id: I9d3d60a39ca4afb04b4e0e4dea526b87bf027f7b