IVGCVSW-1998 : replace Compute enum in LayerSupport free functions

!android-nn-driver:153490

Change-Id: I1c2a5f942e3a1c3626e093c90545ca27c64ba5e8
diff --git a/src/backends/cl/ClLayerSupport.cpp b/src/backends/cl/ClLayerSupport.cpp
index 9088da8..7c66348 100644
--- a/src/backends/cl/ClLayerSupport.cpp
+++ b/src/backends/cl/ClLayerSupport.cpp
@@ -5,8 +5,10 @@
 
 #include "ClLayerSupport.hpp"
 
-#include "InternalTypes.hpp"
-#include "LayerSupportCommon.hpp"
+#include <InternalTypes.hpp>
+#include <LayerSupportCommon.hpp>
+
+#include <armnn/Descriptors.hpp>
 
 #include <boost/core/ignore_unused.hpp>