Added ParsePad method to TfLiteParser

Change-Id: I2e671f66cf1b0a24b4ca9e96b554dc7db3af9655
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 134fd10..87d91b9 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -454,6 +454,7 @@
              src/armnnTfLiteParser/test/MaxPool2D.cpp
              src/armnnTfLiteParser/test/Mean.cpp
              src/armnnTfLiteParser/test/Multiplication.cpp
+             src/armnnTfLiteParser/test/Pad.cpp
              src/armnnTfLiteParser/test/Reshape.cpp
              src/armnnTfLiteParser/test/Softmax.cpp
              src/armnnTfLiteParser/test/Squeeze.cpp