Make either available to product and vendor am: e0d0c6826e am: 06d38426db

Original change: https://android-review.googlesource.com/c/platform/external/rust/crates/either/+/2476307

Change-Id: Iad83d03a42954b5bd1f928b43d706035d56434da
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>