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

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

Change-Id: I5582b7554fd9b50c026ccf1cc1a09ae2d1edb917
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>