IVGCVSW-6635 Move MemCopyTestImpl from acl to armnnTestUtils.

* Move MemCopyTestImpl.hpp from src/backends/aclCommon/test/ to
  include/armnnTestutils.
* Refactor MemCopyTests in aclCommon, cl and Neon.
* Introduce RefMemCopyTests to exercise this utility in x86 builds.

Signed-off-by: Colm Donelan <colm.donelan@arm.com>
Change-Id: I8824f013d3656658ed0a2904bb79384e3af68641
diff --git a/CMakeLists.txt b/CMakeLists.txt
index d0a2d90..075790a 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -78,6 +78,7 @@
     include/armnnUtils/Filesystem.hpp
     include/armnnUtils/FloatingPointComparison.hpp
     include/armnnUtils/FloatingPointConverter.hpp
+    include/armnnUtils/QuantizeHelper.hpp
     include/armnnUtils/TContainer.hpp
     include/armnnUtils/TensorUtils.hpp
     include/armnnUtils/Threads.hpp
@@ -107,7 +108,6 @@
     src/armnnUtils/Processes.cpp
     src/armnnUtils/PrototxtConversions.hpp
     src/armnnUtils/PrototxtConversions.cpp
-    src/armnnUtils/QuantizeHelper.hpp
     src/armnnUtils/TensorIOUtils.hpp
     src/armnnUtils/TensorUtils.cpp
     src/armnnUtils/Threads.cpp