Make hashbrown available to product and vendor am: 4ac1626279 am: e85b6e7e99 am: 7eef8d8602 am: 71449e3053

Original change: https://android-review.googlesource.com/c/platform/external/rust/crates/hashbrown/+/2475388

Change-Id: I045d00e8cbc06b8781600e4065444edab8bae708
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>