Migrate 25 crates to monorepo. am: c34c2889fd am: c3030dc5ef

Original change: https://android-review.googlesource.com/c/platform/external/rust/crates/num-traits/+/3248252

Change-Id: Ia510809d2e3972152df7151a6d50e3e2dbce3499
Signed-off-by: Automerger Merge Worker <[email protected]>