Update Android.bp by running cargo_embargo am: cf4623dbbd

Original change: https://android-review.googlesource.com/c/platform/external/rust/crates/threadpool/+/3209351

Change-Id: Idbc74255b3cbc95d4f87b804895ca9b44e1e32f5
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>