IVGCVSW-5091 Add Logical ops frontend and ref impl

* Add frontend and reference implementation for logical
  ops NOT, AND, OR.
* Unary NOT uses existing ElementwiseUnary layer and
  ElementwiseUnary descriptor.
* Binary AND/OR uses new layer LogicalBinary and new
  LogicalBinary descriptor.
* Add serialization/deserializion support and add missing
  ElementwiseUnary deserializer code.
* Add additional Boolean decoder in BaseIterator.hpp.

Signed-off-by: James Conroy <james.conroy@arm.com>
Change-Id: Id343b01174053a166de1b98b6175e04a5065f720
diff --git a/src/armnnSerializer/Serializer.cpp b/src/armnnSerializer/Serializer.cpp
index f85aae1..379cce2 100644
--- a/src/armnnSerializer/Serializer.cpp
+++ b/src/armnnSerializer/Serializer.cpp
@@ -564,6 +564,21 @@
     CreateAnyLayer(fbLayer.o, serializer::Layer::Layer_L2NormalizationLayer);
 }
 
+void SerializerVisitor::VisitLogicalBinaryLayer(const armnn::IConnectableLayer* layer,
+                                                const armnn::LogicalBinaryDescriptor& descriptor,
+                                                const char* name)
+{
+    IgnoreUnused(name);
+
+    auto fbBaseLayer  = CreateLayerBase(layer, serializer::LayerType::LayerType_LogicalBinary);
+    auto fbDescriptor = serializer::CreateLogicalBinaryDescriptor(
+        m_flatBufferBuilder,
+        GetFlatBufferLogicalBinaryOperation(descriptor.m_Operation));
+
+    auto fbLayer = serializer::CreateLogicalBinaryLayer(m_flatBufferBuilder, fbBaseLayer, fbDescriptor);
+    CreateAnyLayer(fbLayer.o, serializer::Layer::Layer_LogicalBinaryLayer);
+}
+
 void SerializerVisitor::VisitLogSoftmaxLayer(const armnn::IConnectableLayer* layer,
                                              const armnn::LogSoftmaxDescriptor& logSoftmaxDescriptor,
                                              const char* name)