Upgrade async-trait to 0.1.73 am: 75bf719749 am: 4dcc65aff3 am: 83cda6e9c4

Original change: https://android-review.googlesource.com/c/platform/external/rust/crates/async-trait/+/2713393

Change-Id: Ia75578213f8c70691dd438e437a3f0c8352c3979
Signed-off-by: Automerger Merge Worker <[email protected]>