Migrate 25 crates to monorepo. am: 41ef8ab87c

Original change: https://android-review.googlesource.com/c/platform/external/rust/crates/strum/+/3248879

Change-Id: I78cf40291e98889a625818f95dbdbca380537dae
Signed-off-by: Automerger Merge Worker <[email protected]>