Add Rust wrapper for libfmq am: cc87d36855

Original change: https://android-review.googlesource.com/c/platform/system/libfmq/+/2985791

Change-Id: I15d7859975cb67ce54710ee9999020f40821c094
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>