COMPMID-3638: Move NEON kernels

Signed-off-by: Michalis Spyrou <michalis.spyrou@arm.com>
Change-Id: Ieed3e4bc8be7fef80c90c5094599b477a56fc473
Reviewed-on: https://review.mlplatform.org/c/ml/ComputeLibrary/+/4285
Comments-Addressed: Arm Jenkins <bsgcomp@arm.com>
Reviewed-by: Georgios Pinitas <georgios.pinitas@arm.com>
Tested-by: Arm Jenkins <bsgcomp@arm.com>
diff --git a/arm_compute/runtime/NEON/functions/NEAbsoluteDifference.h b/arm_compute/runtime/NEON/functions/NEAbsoluteDifference.h
index 7b35e6d..df7dc2d 100644
--- a/arm_compute/runtime/NEON/functions/NEAbsoluteDifference.h
+++ b/arm_compute/runtime/NEON/functions/NEAbsoluteDifference.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2016-2019 Arm Limited.
+ * Copyright (c) 2016-2020 Arm Limited.
  *
  * SPDX-License-Identifier: MIT
  *
@@ -24,7 +24,7 @@
 #ifndef ARM_COMPUTE_NEABSOLUTEDIFFERENCE_H
 #define ARM_COMPUTE_NEABSOLUTEDIFFERENCE_H
 
-#include "arm_compute/runtime/NEON/INESimpleFunction.h"
+#include "arm_compute/runtime/NEON/INESimpleFunctionNoBorder.h"
 
 namespace arm_compute
 {
@@ -35,9 +35,21 @@
  * @note The image data type for the inputs must be U8 or S16
  * @note The function calculates the absolute difference also when the 2 inputs have different image data types
  */
-class NEAbsoluteDifference : public INESimpleFunction
+class NEAbsoluteDifference : public INESimpleFunctionNoBorder
 {
 public:
+    /** Default constructor */
+    NEAbsoluteDifference() = default;
+    /** Prevent instances of this class from being copied (As this class contains pointers) */
+    NEAbsoluteDifference(const NEAbsoluteDifference &) = delete;
+    /** Prevent instances of this class from being copied (As this class contains pointers) */
+    NEAbsoluteDifference &operator=(const NEAbsoluteDifference &) = delete;
+    /** Prevent instances of this class from being moved (As this class contains non movable objects) */
+    NEAbsoluteDifference(NEAbsoluteDifference &&) = delete;
+    /** Prevent instances of this class from being moved (As this class contains non movable objects) */
+    NEAbsoluteDifference &operator=(NEAbsoluteDifference &&) = delete;
+    /** Default destructor */
+    ~NEAbsoluteDifference();
     /** Set the inputs and output images
      *
      * @param[in]  input1 Source tensor. Data types supported: U8/S16.