Migrate 25 crates to monorepo. am: b599e4be15

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

Change-Id: If42599c5719cf38f8a2e4d6942f48532079c4ed8
Signed-off-by: Automerger Merge Worker <[email protected]>