Migrate to cargo_embargo. am: 10ed1a63ae am: 3b428f890b am: e4017f8f13

Original change: https://android-review.googlesource.com/c/platform/external/rust/crates/xml-rs/+/2835712

Change-Id: I735f9d32280dec03de5f6df6d19f2b1d7855f23a
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>