IVGCVSW-4906 Add front-end support for FILL operator

 * Added new fill layer
 * Added visitor tests

Signed-off-by: Ryan OShea <Ryan.OShea2@arm.com>
Change-Id: Iea677014866b4f2d514004623f59ee83f3c0eef8
Signed-off-by: Keith Davis <keith.davis@arm.com>
diff --git a/Android.mk b/Android.mk
index c9254c7..8377948 100644
--- a/Android.mk
+++ b/Android.mk
@@ -151,6 +151,7 @@
         src/armnn/layers/ElementwiseBaseLayer.cpp \
         src/armnn/layers/ElementwiseUnaryLayer.cpp \
         src/armnn/layers/FakeQuantizationLayer.cpp \
+        src/armnn/layers/FillLayer.cpp \
         src/armnn/layers/FloorLayer.cpp \
         src/armnn/layers/FullyConnectedLayer.cpp \
         src/armnn/layers/GatherLayer.cpp \