MLCE-101: Adding dilation support in conv and dconv

Added support for dilation in DepthwiseConvolution2d in the
Neon and CL backends.

Change-Id: Ie1522b498c07f80d6efcf9dc79e926c8cfa06ca5
Signed-off-by: Pablo Tello <pablo.tello@arm.com>
diff --git a/include/armnn/ILayerSupport.hpp b/include/armnn/ILayerSupport.hpp
index dc84302..b8e48c8 100644
--- a/include/armnn/ILayerSupport.hpp
+++ b/include/armnn/ILayerSupport.hpp
@@ -87,6 +87,14 @@
                      const DetectionPostProcessDescriptor& descriptor,
                      Optional<std::string&> reasonIfUnsupported = EmptyOptional()) const = 0;
 
+    virtual bool IsDilatedDepthwiseConvolutionSupported(
+                    const TensorInfo& input,
+                    const TensorInfo& output,
+                    const DepthwiseConvolution2dDescriptor& descriptor,
+                    const TensorInfo& weights,
+                    const Optional<TensorInfo>& biases,
+                    Optional<std::string&> reasonIfUnsupported = EmptyOptional()) const = 0;
+
     virtual bool IsDivisionSupported(const TensorInfo& input0,
                                      const TensorInfo& input1,
                                      const TensorInfo& output,