make method static

Author: lia-viam

src/viam/sdk/registry/registry.cpp

@@ -163,7 +163,7 @@ std::shared_ptr<const ResourceClientRegistration> Registry::lookup_resource_clie
 }
 
 const google::protobuf::ServiceDescriptor* Registry::get_service_descriptor_(
-    const char* service_full_name) const {
+    const char* service_full_name) {
     const google::protobuf::DescriptorPool* p = google::protobuf::DescriptorPool::generated_pool();
     const google::protobuf::ServiceDescriptor* sd = p->FindServiceByName(service_full_name);
     if (!sd) {

src/viam/sdk/registry/registry.hpp

@@ -204,8 +204,8 @@ class Registry {
     void register_resource_client_(
         API api, std::shared_ptr<ResourceClientRegistration> resource_registration);
 
-    const google::protobuf::ServiceDescriptor* get_service_descriptor_(
-        const char* service_full_name) const;
+    static const google::protobuf::ServiceDescriptor* get_service_descriptor_(
+        const char* service_full_name);
 
     std::shared_ptr<const ModelRegistration> lookup_model_inlock_(
         const std::string& name, const std::lock_guard<std::mutex>&) const;