IVGCVSW-2264 Move DataLayoutIndexed to armnnUtils

 * Since DataLayoutIndexed is now required in the TF parser, this
   changes move it to the armnnUtils library so that it'll be
   accessible by the armnnTfParser
 * Modified CMake files and Android.mk files accordingly

Change-Id: Ie2620359ef288aeff64cb9e9bec068a466eee0e9
diff --git a/src/backends/reference/workloads/BatchNormImpl.hpp b/src/backends/reference/workloads/BatchNormImpl.hpp
index fbcb2fd..799e7a3 100644
--- a/src/backends/reference/workloads/BatchNormImpl.hpp
+++ b/src/backends/reference/workloads/BatchNormImpl.hpp
@@ -10,6 +10,8 @@
 
 #include <armnn/Tensor.hpp>
 
+#include <DataLayoutIndexed.hpp>
+
 #include <cmath>
 
 namespace armnn
@@ -34,7 +36,7 @@
                                         outputData,
                                         data.m_Parameters.m_DataLayout);
 
-    DataLayoutIndexed dataLayout(data.m_Parameters.m_DataLayout);
+    armnnUtils::DataLayoutIndexed dataLayout(data.m_Parameters.m_DataLayout);
 
     for (unsigned int c = 0; c < inputInfo.GetShape()[dataLayout.GetChannelsIndex()]; c++)
     {