Upgrade rust/crates/async-stream to 0.3.1 am: b7cdcf8095 am: 88a5c327ac

Original change: https://android-review.googlesource.com/c/platform/external/rust/crates/async-stream/+/1712789

Change-Id: I35b1aa4c359300978de1d2e4125d1bc87488ae2f