IVGCVSW-1863 Support NHWC for L2Normalization

 * Added L2NormalizationDescriptor struct with m_DataLyaout member
 * Updated all IsL2NormalizationSupported calls to take a descriptor
   as an argument
 * Updated L2NormalizationLayer to take a descriptor as an argument

!android-nn-driver:150116

Change-Id: I0459352d19cfd269bc864a70cf73910bf44fdc01
diff --git a/src/backends/reference/RefLayerSupport.cpp b/src/backends/reference/RefLayerSupport.cpp
index 12a2817..536dd17 100644
--- a/src/backends/reference/RefLayerSupport.cpp
+++ b/src/backends/reference/RefLayerSupport.cpp
@@ -171,9 +171,11 @@
 
 bool IsL2NormalizationSupportedRef(const TensorInfo& input,
                                    const TensorInfo& output,
+                                   const L2NormalizationDescriptor& descriptor,
                                    std::string* reasonIfUnsupported)
 {
     ignore_unused(output);
+    ignore_unused(descriptor);
     return IsSupportedForDataTypeRef(reasonIfUnsupported,
                                      input.GetDataType(),
                                      &TrueFunc<>,