Migrate to cargo_embargo. am: 739f6f2658 am: 07a8788194

Original change: https://android-review.googlesource.com/c/platform/external/rust/crates/googletest_macro/+/2824797

Change-Id: If61e83f030f1f040f29d42630e20bc77541d5801
Signed-off-by: Automerger Merge Worker <[email protected]>