Migrate to cargo_embargo. am: 954e6aba56 am: 78ef570cf3

Original change: https://android-review.googlesource.com/c/platform/external/rust/crates/parking_lot/+/2824492

Change-Id: Idf460723150e00f0244cc5843b7be2dfaac355ed
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>