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/Android.mk b/Android.mk
index 6d5a0fa..cd26fa5 100644
--- a/Android.mk
+++ b/Android.mk
@@ -127,6 +127,7 @@
         src/armnn/layers/SplitterLayer.cpp \
         src/armnn/layers/StridedSliceLayer.cpp \
         src/armnn/layers/SubtractionLayer.cpp \
+        src/armnn/layers/SwitchLayer.cpp \
         src/armnn/Descriptors.cpp \
         src/armnn/Exceptions.cpp \
         src/armnn/Graph.cpp \