Merge "Add product_available" into main am: 346b0bb5a1

Original change: https://android-review.googlesource.com/c/platform/external/rust/crates/grpcio-sys/+/3072202

Change-Id: I5560c3a8ee263e870b4a1d747c038a15ee7f06d0
Signed-off-by: Automerger Merge Worker <[email protected]>