[automerger skipped] Make libfutures_executor available to DnsResolver am: 277934c037 -s ours

am skip reason: Merged-In I4822b275eba2c9103860147b4859c83526ed27f9 with SHA-1 49a2fbc862 is already in history

Original change: https://googleplex-android-review.googlesource.com/c/platform/external/rust/crates/futures-executor/+/15072303

Change-Id: I846e395af604625a33ce0c765d1fad3c6126779e