shim::Acl should only run if gd::Core disabled

Bug: 166280067
Test: compile
Tag: #refactor
Change-Id: I6f79df1b7126d5237d9b2c9bcac3c3a65aaff19c

system/main/shim/stack.cc

@@ -106,7 +106,9 @@ void Stack::StartEverything() {
                    stack_manager_.GetInstance<neighbor::InquiryModule>());
   }
   if (common::InitFlags::GdAclEnabled()) {
-    acl_ = new legacy::Acl(stack_handler_);
+    if (!common::InitFlags::GdCoreEnabled()) {
+      acl_ = new legacy::Acl(stack_handler_);
+    }
   }
   is_running_ = true;
   if (!common::InitFlags::GdCoreEnabled()) {