Migrate to cargo_embargo. am: 1be1fde9f3 am: bf019acf14 am: aff551977c

Original change: https://android-review.googlesource.com/c/platform/external/rust/crates/linkme/+/2822528

Change-Id: Iee5475cc360b3c81454b15312ac8fb8bef39f473
Signed-off-by: Automerger Merge Worker <[email protected]>