Migrate 25 crates to monorepo. am: b599e4be15 am: d2603e10fb

Original change: https://android-review.googlesource.com/c/platform/external/rust/crates/oorandom/+/3248338

Change-Id: I28d99ad0c847685526cc0dad02f1288ee66ae3eb
Signed-off-by: Automerger Merge Worker <[email protected]>