Make hashbrown available to product and vendor am: 4ac1626279

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

Change-Id: I077914b0702ecc513b8f888e665f0f9eadaa6798
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>