Migrate to cargo_embargo. am: 76354bffe6 am: 94aa811dbd am: 7f2bd7301c

Original change: https://android-review.googlesource.com/c/platform/external/rust/crates/oorandom/+/2822778

Change-Id: I1021cba9bdbe53e2fc528fe0893eede71be0bf01
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>