Migrate 25 crates to monorepo. am: cace029326

Original change: https://android-review.googlesource.com/c/platform/external/rust/crates/dashmap/+/3242763

Change-Id: I8a428aab34d5559d4b18b71b5b4731a3219b8fb9
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>