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/BatchToSpaceNd.cpp b/src/backends/reference/workloads/BatchToSpaceNd.cpp
index 4313085..5f64213 100644
--- a/src/backends/reference/workloads/BatchToSpaceNd.cpp
+++ b/src/backends/reference/workloads/BatchToSpaceNd.cpp
@@ -11,6 +11,8 @@
 
 #include <boost/assert.hpp>
 
+using namespace armnnUtils;
+
 namespace armnn
 {