Make async-trait available to product and vendor am: 9c88d08347 am: cd98a99aa9 am: 8eb6cbe139 am: 4ca31f324c am: 651013e892

Original change: https://android-review.googlesource.com/c/platform/external/rust/crates/async-trait/+/2476131

Change-Id: If7e22e239ffa05d5e62e8116eec65ab7b8869db7
Signed-off-by: Automerger Merge Worker <[email protected]>