Update Android.bp by running cargo_embargo am: 646e970552 am: a7214bbf52

Original change: https://android-review.googlesource.com/c/platform/external/rust/crates/threadpool/+/3095964

Change-Id: I16becc821228e5d4b415927981378251621cd603
Signed-off-by: Automerger Merge Worker <[email protected]>