IVGCVSW-6127 ConstTensorsAsInput: DepthwiseConvolution2d

!android-nn-driver:7418

 * Update Front-end and Tools.
 * Updated Serializer, Deserializer and unit tests to reflect this.
 * Updated TfLiteDelegate, TfLiteParser and OnnxParser.
 * Change NNDriver to new API.
 * Updated Ref.
 * Neon and Cl backend partially completed (Backend.cpp files).
 * Added dynamic or constant input EndToEnd tests.
 * Added ConstantTensorAsInputMemeberVariableRedirect Optimization.

Signed-off-by: Cathal Corbett <cathal.corbett@arm.com>
Change-Id: Ib18b6c10a093042e165e25237dc04a4c67ba82da
diff --git a/src/armnnSerializer/test/SerializerTestUtils.hpp b/src/armnnSerializer/test/SerializerTestUtils.hpp
index ce4d2cc..ac15ced 100644
--- a/src/armnnSerializer/test/SerializerTestUtils.hpp
+++ b/src/armnnSerializer/test/SerializerTestUtils.hpp
@@ -128,6 +128,7 @@
         {
             case armnn::LayerType::Input: break;
             case armnn::LayerType::Output: break;
+            case armnn::LayerType::Constant: break;
             default:
             {
                 this->VerifyNameAndConnections(layer, name);