Upgrade async_task to 4.5.0 am: 36665bc1d1 am: a4a3f97ff8 am: 75e9282f6f

Original change: https://android-review.googlesource.com/c/platform/external/rust/crates/async-task/+/2846078

Change-Id: I4d8fb1c5aa07333c896b95c9c3ad696ede305add
Signed-off-by: Automerger Merge Worker <[email protected]>