IVGCVSW-1863 Unit tests for NHWC L2Normalization

 * Added NHWC unit test implementation
 * Programmatically selected the channel dimension when creating
   the ACL Normalization layer info
 * Set the input/output data layout in the constructor of the L2Normalization
   workload

Change-Id: Ie69f1a360022c29d1a3a3808c1f26b69243fa8f9
diff --git a/src/backends/test/Reference.cpp b/src/backends/test/Reference.cpp
index 30a8f8e..05ebf2e 100644
--- a/src/backends/test/Reference.cpp
+++ b/src/backends/test/Reference.cpp
@@ -193,12 +193,18 @@
 // Fake Quantization
 ARMNN_AUTO_TEST_CASE(FakeQuantization, FakeQuantizationTest)
 
-// L2 Noramlization
+// L2 Normalization
 ARMNN_AUTO_TEST_CASE(L2Normalization1d, L2Normalization1dTest)
 ARMNN_AUTO_TEST_CASE(L2Normalization2d, L2Normalization2dTest)
 ARMNN_AUTO_TEST_CASE(L2Normalization3d, L2Normalization3dTest)
 ARMNN_AUTO_TEST_CASE(L2Normalization4d, L2Normalization4dTest)
 
+// NOTE: These tests are disabled until NHWC is supported by the reference L2Normalization implementation.
+//ARMNN_AUTO_TEST_CASE(L2Normalization1dNhwc, L2Normalization1dNhwcTest);
+//ARMNN_AUTO_TEST_CASE(L2Normalization2dNhwc, L2Normalization2dNhwcTest);
+//ARMNN_AUTO_TEST_CASE(L2Normalization3dNhwc, L2Normalization3dNhwcTest);
+//ARMNN_AUTO_TEST_CASE(L2Normalization4dNhwc, L2Normalization4dNhwcTest);
+
 // Constant
 ARMNN_AUTO_TEST_CASE(Constant, ConstantTest)
 ARMNN_AUTO_TEST_CASE(ConstantUint8, ConstantUint8Test)