IVGCVSW-2503 Refactor RefElementwiseWorkload around Equal and Greater

	* Remove Equal and Greater from RefElementwiseWorkload
	* Create RefComparisonWorkload and add Equal and Greater
	* Update ElementwiseFunction for different input/output types
	* Update TfParser to create Equal/Greater with Boolean output
	* Update relevant tests to check for Boolean comparison

Change-Id: I299b7f2121769c960ac0c6139764a5f3c89c9c32
diff --git a/src/backends/backendsCommon/Workload.hpp b/src/backends/backendsCommon/Workload.hpp
index 34d1363..4d14adb 100644
--- a/src/backends/backendsCommon/Workload.hpp
+++ b/src/backends/backendsCommon/Workload.hpp
@@ -165,6 +165,19 @@
 using Int32Workload = TypedWorkload<QueueDescriptor, armnn::DataType::Signed32>;
 
 template <typename QueueDescriptor>
+using BooleanWorkload = TypedWorkload<QueueDescriptor, armnn::DataType::Boolean>;
+
+template <typename QueueDescriptor>
+using BaseFloat32ComparisonWorkload = MultiTypedWorkload<QueueDescriptor,
+                                                         armnn::DataType::Float32,
+                                                         armnn::DataType::Boolean>;
+
+template <typename QueueDescriptor>
+using BaseUint8ComparisonWorkload = MultiTypedWorkload<QueueDescriptor,
+                                                       armnn::DataType::QuantisedAsymm8,
+                                                       armnn::DataType::Boolean>;
+
+template <typename QueueDescriptor>
 using Float16ToFloat32Workload = MultiTypedWorkload<QueueDescriptor,
                                                     armnn::DataType::Float16,
                                                     armnn::DataType::Float32>;