Migrate to cargo_embargo. am: 8ba44e9aae am: fbe8cc2a02 am: dc8a7a141d

Original change: https://android-review.googlesource.com/c/platform/external/rust/crates/crossbeam-epoch/+/2829795

Change-Id: I3a1342d9be55cdf2b734cb9c3818fe6cb00d3333
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>