IVGCVSW-2144: Adding TensorUtils class

* helper methods for creating TensorShape and TensorInfo objects

Change-Id: I371fc7aea08ca6bbb9c205a143ce36e8353a1c48
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 4f13496..c6af71b 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -46,6 +46,8 @@
     src/armnnUtils/VerificationHelpers.cpp
     src/armnnUtils/ParserHelper.hpp
     src/armnnUtils/ParserHelper.cpp
+    src/armnnUtils/TensorUtils.hpp
+    src/armnnUtils/TensorUtils.cpp
     )
 if(BUILD_TF_PARSER OR BUILD_CAFFE_PARSER)
     list(APPEND armnnUtils_sources