Migrate to cargo_embargo. am: 7a09400d62 am: 5b623a5a3a am: 84f3091d4f

Original change: https://android-review.googlesource.com/c/platform/external/rust/crates/rand_xorshift/+/2832652

Change-Id: I06395a47f741a0596c468f028cab503c1a026942
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>