IVGCVSW-2914 Add Switch Layer and no-op factory method

Change-Id: I6a6ece708a49e8a97c83a3e7fec11c88af1e1cfa
Signed-off-by: Sadik Armagan <sadik.armagan@arm.com>
Signed-off-by: Aron Virginas-Tar <Aron.Virginas-Tar@arm.com>
diff --git a/CMakeLists.txt b/CMakeLists.txt
index d1fe635..b297423 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -279,6 +279,8 @@
     src/armnn/layers/StridedSliceLayer.hpp
     src/armnn/layers/SubtractionLayer.cpp
     src/armnn/layers/SubtractionLayer.hpp
+    src/armnn/layers/SwitchLayer.cpp
+    src/armnn/layers/SwitchLayer.hpp
     src/armnn/BackendSettings.hpp
     src/armnn/CompatibleTypes.hpp
     src/armnn/Descriptors.cpp