Migrate 25 crates to monorepo. am: 9e1d8e6279

Original change: https://android-review.googlesource.com/c/platform/external/rust/crates/hashbrown/+/3245201

Change-Id: I5bfdb1a23076ee5570a5e5c3426539a247f59cd8
Signed-off-by: Automerger Merge Worker <[email protected]>