Make pin-project-internal available to product and vendor am: 6212c6a18a am: 6a4bd5cce2 am: e8b7c58557 am: eb5d844dc3

Original change: https://android-review.googlesource.com/c/platform/external/rust/crates/pin-project-internal/+/2475778

Change-Id: I1807e2265d073b1cf71f2ec624b99adf8efcccef
Signed-off-by: Automerger Merge Worker <[email protected]>