IVGCVSW-7197 Implement Pimpl Idiom for OptimizerOptions

Signed-off-by: John Mcloughlin <john.mcloughlin@arm.com>
Change-Id: Id4bdc31e3e6f18ccaef232c29a2d2825c915b21c
diff --git a/src/backends/cl/test/ClCustomAllocatorTests.cpp b/src/backends/cl/test/ClCustomAllocatorTests.cpp
index 251c98f..1cc2c4c 100644
--- a/src/backends/cl/test/ClCustomAllocatorTests.cpp
+++ b/src/backends/cl/test/ClCustomAllocatorTests.cpp
@@ -1,5 +1,5 @@
 //
-// Copyright © 2021 Arm Ltd and Contributors. All rights reserved.
+// Copyright © 2021, 2023 Arm Ltd and Contributors. All rights reserved.
 // SPDX-License-Identifier: MIT
 //
 
@@ -118,9 +118,9 @@
     IRuntimePtr run = IRuntime::Create(options);
 
     // Optimise ArmNN network
-    OptimizerOptions optOptions;
-    optOptions.m_ImportEnabled = true;
-    optOptions.m_ExportEnabled = true;
+    OptimizerOptionsOpaque optOptions;
+    optOptions.SetImportEnabled(true);
+    optOptions.SetExportEnabled(true);
     armnn::IOptimizedNetworkPtr optNet = Optimize(*myNetwork, {"GpuAcc"}, run->GetDeviceSpec(), optOptions);
     CHECK(optNet);
 
@@ -188,8 +188,8 @@
     INetworkPtr myNetwork = CreateTestNetwork(inputTensorInfo);
 
     // Optimise ArmNN network
-    OptimizerOptions optOptions;
-    optOptions.m_ImportEnabled = true;
+    OptimizerOptionsOpaque optOptions;
+    optOptions.SetImportEnabled(true);
     IOptimizedNetworkPtr optNet(nullptr, nullptr);
     std::vector<std::string> errMessages;