Mark libmeminfo library as vendor available am: c851b322c9 am: 8358b93938 am: abb968350b

Original change: https://android-review.googlesource.com/c/platform/system/memory/libmeminfo/+/1657461

Change-Id: I2774a23c76f44353a817b2cb08eb0df2e227b8f4