Make syn-mid available to product and vendor am: 91946bec9a am: c6d5e8bd97

Original change: https://android-review.googlesource.com/c/platform/external/rust/crates/syn-mid/+/2476504

Change-Id: Ice25fd6d535c4a22247b0639082f1e75443b7de7
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>