IVGCVSW-5383 TfLiteDelegate: Implement Pad and PadV2 operators

 * Add Pad and PadV2 operators support to Armnn Delegate
 * Add dimension check to CompareOutputData test utility
 * Unit tests

Signed-off-by: Narumol Prangnawarat <narumol.prangnawarat@arm.com>
Change-Id: I9d00eb08f71e791498908fcbdb9de561e1c01aef
diff --git a/delegate/CMakeLists.txt b/delegate/CMakeLists.txt
index 9be2f44..c052be2 100644
--- a/delegate/CMakeLists.txt
+++ b/delegate/CMakeLists.txt
@@ -117,6 +117,8 @@
         src/test/GatherTestHelper.hpp
         src/test/LogicalTest.cpp
         src/test/LogicalTestHelper.hpp
+        src/test/PadTest.cpp
+        src/test/PadTestHelper.hpp
         src/test/Pooling2dTest.cpp
         src/test/Pooling2dTestHelper.hpp
         src/test/QuantizationTest.cpp