Migrate 25 crates to monorepo. am: 97e242be02 am: 5b13381ce3

Original change: https://android-review.googlesource.com/c/platform/external/rust/crates/mls-rs-codec/+/3248551

Change-Id: I96c89bd79225cd4f2d49c736784bf04ea3fda823
Signed-off-by: Automerger Merge Worker <[email protected]>