Migrate to cargo_embargo. am: fe14e434be

Original change: https://android-review.googlesource.com/c/platform/external/rust/crates/x509-parser/+/2822773

Change-Id: Iae373542fc8be74c0de19bd3a990bb17face27eb
Signed-off-by: Automerger Merge Worker <[email protected]>