IVGCVSW-3452 Support dynamic output shape in hal_1_2::HalPolicy::ConvertConv2d

Signed-off-by: Aron Virginas-Tar <Aron.Virginas-Tar@arm.com>
Change-Id: I8694e1f1c62da6f74eb356558b17a63758ccfdad
diff --git a/OutputShapeUtils.hpp b/OutputShapeUtils.hpp
index dac4a19..5868695 100644
--- a/OutputShapeUtils.hpp
+++ b/OutputShapeUtils.hpp
@@ -12,6 +12,10 @@
 
 bool IsDynamicOutput(const armnn::TensorInfo& outputInfo);
 
+armnn::TensorShape InferConvolution2dOutputShape(const armnn::TensorShape& inputShape,
+                                                 const armnn::TensorShape& kernelShape,
+                                                 const armnn::Convolution2dDescriptor& descriptor);
+
 armnn::TensorShape InferMaximumOutputShape(const armnn::TensorShape& input0Shape,
                                            const armnn::TensorShape& input1Shape);