IVGCVSW-3722 Add front end support for ArgMinMax

Change-Id: I31c5616bea3097f30cde68442d3222e0b0fe2235
Signed-off-by: Nikhil Raj <nikhil.raj@arm.com>
diff --git a/Android.mk b/Android.mk
index 21b186e..3640e0c 100644
--- a/Android.mk
+++ b/Android.mk
@@ -115,6 +115,7 @@
         src/armnn/layers/AbsLayer.cpp \
         src/armnn/layers/ActivationLayer.cpp \
         src/armnn/layers/AdditionLayer.cpp \
+        src/armnn/layers/ArgMinMaxLayer.cpp \
         src/armnn/layers/BatchNormalizationLayer.cpp \
         src/armnn/layers/BatchToSpaceNdLayer.cpp \
         src/armnn/layers/ConcatLayer.cpp \