IVGCVSW-4009 StandInLayer frontend API

Change-Id: I058c57b554769799c6775813215070ef47790e3d
Signed-off-by: Derek Lamberti <derek.lamberti@arm.com>
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 626478a..ed683da 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -344,6 +344,8 @@
     src/armnn/layers/SplitterLayer.cpp
     src/armnn/layers/StackLayer.hpp
     src/armnn/layers/StackLayer.cpp
+    src/armnn/layers/StandInLayer.cpp
+    src/armnn/layers/StandInLayer.hpp
     src/armnn/layers/StridedSliceLayer.cpp
     src/armnn/layers/StridedSliceLayer.hpp
     src/armnn/layers/SubtractionLayer.cpp