Merge "Upgrade futures-macro to 0.3.25" am: d8460a116a am: d827b3bf24 am: 6c1c4307bb

Original change: https://android-review.googlesource.com/c/platform/external/rust/crates/futures-macro/+/2338045

Change-Id: Idf5597f6287d43dca7d4f5d453a706b697cf3a85
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>