[WFLY-490][WFLY-1756] Include access control for read-operation-descript...

...ion

The output now looks like:
{
    "operation-name" => "runtime-ro-write",
    "description" => "runtime-ro-write",
    "request-properties" => {},
    "reply-properties" => {},
    "access-constraints" => {"sensitive" => {"sensitive-write" => {"type" => "test"}}},
    "read-only" => true,
    "access-control" => {"execute" => true}
}