Upgrade futures-macro to 0.3.28 am: 96009b4e62 am: 4a06070bb9

Original change: https://android-review.googlesource.com/c/platform/external/rust/crates/futures-macro/+/2520196

Change-Id: Id6d1f5063c6176a462e6e1701be253db525f3591
Signed-off-by: Automerger Merge Worker <[email protected]>