IVGCVSW-7454 Enable NonConstWeights in GpuAcc

* Set flag for constant weights and bias in ACL tensorInfo in ACl workloads
* Set flag for constant weights and bias in Unit Tests
* Add to dot file for FullyConnected layer the constantWeights flag

Signed-off-by: Teresa Charlin <teresa.charlinreyes@arm.com>
Change-Id: I87e1fef516ce4a8a59245dfdf7d92c153418e1d6
diff --git a/src/backends/cl/ClBackend.hpp b/src/backends/cl/ClBackend.hpp
index ce56c30..d276eac 100644
--- a/src/backends/cl/ClBackend.hpp
+++ b/src/backends/cl/ClBackend.hpp
@@ -1,5 +1,5 @@
 //
-// Copyright © 2017 Arm Ltd. All rights reserved.
+// Copyright © 2017-2023 Arm Ltd and Contributors. All rights reserved.
 // SPDX-License-Identifier: MIT
 //
 #pragma once
@@ -24,7 +24,7 @@
 // add new capabilities here..
 const BackendCapabilities gpuAccCapabilities("GpuAcc",
                                              {
-                                                     {"NonConstWeights", false},
+                                                     {"NonConstWeights", true},
                                                      {"AsyncExecution", false},
                                                      {"ProtectedContentAllocation", true},
                                                      {"ConstantTensorsAsInputs", true},