Update Android.bp by running cargo_embargo am: 878b8bdb8f am: ac9e8a1a3e

Original change: https://android-review.googlesource.com/c/platform/external/rust/crates/futures-macro/+/3080452

Change-Id: I41866f3aa9035b032b14e5a7491a829ecc0d0f79
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>