IVGCVSW-2253 Add maximum layer and corresponding no-op factory implementation

Change-Id: I8964f5e8978c2d2a07734a381e3f7c656c22456a
diff --git a/Android.mk b/Android.mk
index 3eeddcb..9e05607 100644
--- a/Android.mk
+++ b/Android.mk
@@ -93,6 +93,7 @@
         src/armnn/layers/InputLayer.cpp \
         src/armnn/layers/L2NormalizationLayer.cpp \
         src/armnn/layers/LstmLayer.cpp \
+        src/armnn/layers/MaximumLayer.cpp \
         src/armnn/layers/MeanLayer.cpp \
         src/armnn/layers/MemCopyLayer.cpp \
         src/armnn/layers/MergerLayer.cpp \