IVGCVSW-7588 Implement ElementWiseBinary Op for Opaque Delegate

 * Added visit functions for ElementwiseBinary Ops
 * Moved MultiLayerFacade.hpp to common directory and updated both delegates to use it

Signed-off-by: David Monahan <david.monahan@arm.com>
Change-Id: I84b8bd74d15a194895e63da47c29be994531a889
diff --git a/delegate/CMakeLists.txt b/delegate/CMakeLists.txt
index 8045ee8..a77e630 100644
--- a/delegate/CMakeLists.txt
+++ b/delegate/CMakeLists.txt
@@ -21,7 +21,8 @@
 list(APPEND armnnDelegate_sources
         common/include/DelegateOptions.hpp
         common/src/DelegateOptions.cpp
-        common/src/DelegateUtils.hpp)
+        common/src/DelegateUtils.hpp
+        common/src/MultiLayerFacade.hpp)
 
 ## Add Armnn as a Dependency
 if(NOT ARMNN_SUB_PROJECT)