IVGCVSW-4749 Fix CpuAcc Hal 1.3 FullyConnected Failures

* Use make_unique instead of MakeWorkloadHelper for FullyConnected Workload
* Add Neon Workload Tests for QAsymmU8 and QAsymmS8

Signed-off-by: Kevin May <kevin.may@arm.com>
Change-Id: Ie1359af8b0a0bec1e058e20fc789c2520ebe64e8
diff --git a/src/backends/neon/NeonWorkloadFactory.cpp b/src/backends/neon/NeonWorkloadFactory.cpp
index 237808c..56ee9a7 100644
--- a/src/backends/neon/NeonWorkloadFactory.cpp
+++ b/src/backends/neon/NeonWorkloadFactory.cpp
@@ -274,8 +274,7 @@
 std::unique_ptr<armnn::IWorkload> NeonWorkloadFactory::CreateFullyConnected(
     const FullyConnectedQueueDescriptor& descriptor, const WorkloadInfo& info) const
 {
-    return MakeWorkloadHelper<NeonFullyConnectedWorkload, NeonFullyConnectedWorkload>(
-        descriptor, info, m_MemoryManager->GetIntraLayerManager());
+    return std::make_unique<NeonFullyConnectedWorkload>(descriptor, info, m_MemoryManager->GetIntraLayerManager());
 }
 
 std::unique_ptr<IWorkload> NeonWorkloadFactory::CreateGather(const armnn::GatherQueueDescriptor& descriptor,