Migrate to cargo_embargo. am: 1595383a9e

Original change: https://android-review.googlesource.com/c/platform/external/rust/crates/linked-hash-map/+/2822527

Change-Id: I08cb1a4fc5cf90c9a2af84588bf80fbabba82245
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>