Make memoffset available to product and vendor am: 4c3ace68de am: e60dbf116d am: ea619ef463

Original change: https://android-review.googlesource.com/c/platform/external/rust/crates/memoffset/+/2475080

Change-Id: Idf318a1c5833633a64726987e7880cd6df8f348c
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>