[Bluetooth apex] Use new apex name am: a8c6c6cbd5

Original change: https://android-review.googlesource.com/c/platform/external/rust/crates/futures/+/2192093

Change-Id: I934369257d059956ddab4aecdb494e4d00539274
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>