Add missing direct conv2d tests to dynamic fusion

* Add direct conv2d tests as a separate fixture so that we can enable
future direct conv2d specific tests
* Move Conv2dAttributes to its own file

Partially resolves COMPMID-5736

Change-Id: I530649488faf3bbed1a4fc7d16a74063bfdf33db
Signed-off-by: SiCong Li <sicong.li@arm.com>
Reviewed-on: https://review.mlplatform.org/c/ml/ComputeLibrary/+/8928
Reviewed-by: Gunes Bayir <gunes.bayir@arm.com>
Comments-Addressed: Arm Jenkins <bsgcomp@arm.com>
Benchmark: Arm Jenkins <bsgcomp@arm.com>
Tested-by: Arm Jenkins <bsgcomp@arm.com>
diff --git a/src/dynamic_fusion/sketch/gpu/components/cl/ClComponentDirectConv2d.cpp b/src/dynamic_fusion/sketch/gpu/components/cl/ClComponentDirectConv2d.cpp
index 1fbcb41..c8e682f 100644
--- a/src/dynamic_fusion/sketch/gpu/components/cl/ClComponentDirectConv2d.cpp
+++ b/src/dynamic_fusion/sketch/gpu/components/cl/ClComponentDirectConv2d.cpp
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2022 Arm Limited.
+ * Copyright (c) 2022-2023 Arm Limited.
  *
  * SPDX-License-Identifier: MIT
  *
@@ -25,7 +25,7 @@
 
 #include "arm_compute/core/Validate.h"
 #include "arm_compute/core/utils/misc/ShapeCalculator.h"
-#include "arm_compute/dynamic_fusion/sketch/OperatorAttributes.h"
+#include "arm_compute/dynamic_fusion/sketch/attributes/Conv2dAttributes.h"
 #include "src/core/CL/CLValidate.h"
 #include "src/dynamic_fusion/sketch/gpu/template_writer/cl/ClTemplateDirectConv2d.h"