Merge "Make libfutures_task available to DnsResolver" am: ecfd47d846 am: 1a2f4bbb29

Original change: https://android-review.googlesource.com/c/platform/external/rust/crates/futures-task/+/1740780

Change-Id: I3ce67fddfc5d0d40b2b4ea06b7bb50229378a617