[automerger skipped] Mark Android R (rvc-dev-plus-aosp-without-vendor@6692709) as merged am: 6998207418 -s ours

am skip reason: Change-Id Iee561c1601ae2e5893d6e6b7024b7836b21ebbe3 with SHA-1 5f70eedfa9 is in history

Original change: https://googleplex-android-review.googlesource.com/c/platform/external/rust/crates/futures-io/+/12469853

Change-Id: Ie7bf6f44436ac89592542a3ca49e3f45bb817bb0