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/ArmComputeCl.cpp b/src/backends/test/ArmComputeCl.cpp
index a106c78..af30ff0 100644
--- a/src/backends/test/ArmComputeCl.cpp
+++ b/src/backends/test/ArmComputeCl.cpp
@@ -174,11 +174,17 @@
 // Batch Norm
 ARMNN_AUTO_TEST_CASE(BatchNorm, BatchNormTest)
 
+// 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)
 
+ARMNN_AUTO_TEST_CASE(L2Normalization1dNhwc, L2Normalization1dNhwcTest)
+ARMNN_AUTO_TEST_CASE(L2Normalization2dNhwc, L2Normalization2dNhwcTest)
+ARMNN_AUTO_TEST_CASE(L2Normalization3dNhwc, L2Normalization3dNhwcTest)
+ARMNN_AUTO_TEST_CASE(L2Normalization4dNhwc, L2Normalization4dNhwcTest)
+
 // Resize Bilinear
 ARMNN_AUTO_TEST_CASE(SimpleResizeBilinear, SimpleResizeBilinearTest)
 ARMNN_AUTO_TEST_CASE(ResizeBilinearNop, ResizeBilinearNopTest)