Allow using percent-encoding from DnsResolver am: a061f959ce am: f51e2bdf03 am: d3599f7684

Original change: https://android-review.googlesource.com/c/platform/external/rust/crates/percent-encoding/+/1535754

MUST ONLY BE SUBMITTED BY AUTOMERGER

Change-Id: Iad6d288a87cae01f10120125db1f92f2a6e64236