COMPMID-3180: Remove padding from NEThreshold

- Removes padding from NEThresholdKernel
- Alters configuration interface to use a descriptor

Change-Id: I394d5e1375454813856d9d206e61dc9a87c2cadc
Signed-off-by: Georgios Pinitas <georgios.pinitas@arm.com>
Reviewed-on: https://review.mlplatform.org/c/ml/ComputeLibrary/+/3300
Reviewed-by: Michele Di Giorgio <michele.digiorgio@arm.com>
Comments-Addressed: Arm Jenkins <bsgcomp@arm.com>
Tested-by: Arm Jenkins <bsgcomp@arm.com>
diff --git a/tests/validation/CL/Threshold.cpp b/tests/validation/CL/Threshold.cpp
index 9c68ffe..ec4baf4 100644
--- a/tests/validation/CL/Threshold.cpp
+++ b/tests/validation/CL/Threshold.cpp
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2017-2019 ARM Limited.
+ * Copyright (c) 2017-2020 ARM Limited.
  *
  * SPDX-License-Identifier: MIT
  *
@@ -52,7 +52,7 @@
 
     // Create and configure function
     CLThreshold thrsh;
-    thrsh.configure(&src, &dst, threshold, false_value, true_value, type, upper);
+    thrsh.configure(&src, &dst, ThresholdKernelInfo(threshold, false_value, true_value, type, upper));
 
     // Validate valid region
     const ValidRegion valid_region = shape_to_valid_region(shape);
diff --git a/tests/validation/NEON/Threshold.cpp b/tests/validation/NEON/Threshold.cpp
index 7cddf7c..fd6d936 100644
--- a/tests/validation/NEON/Threshold.cpp
+++ b/tests/validation/NEON/Threshold.cpp
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2017-2019 ARM Limited.
+ * Copyright (c) 2017-2020 ARM Limited.
  *
  * SPDX-License-Identifier: MIT
  *
@@ -53,16 +53,15 @@
 
     // Create and configure function
     NEThreshold thrsh;
-    thrsh.configure(&src, &dst, threshold, false_value, true_value, type, upper);
+    thrsh.configure(&src, &dst, ThresholdKernelInfo(threshold, false_value, true_value, type, upper));
 
     // Validate valid region
     const ValidRegion valid_region = shape_to_valid_region(shape);
     validate(dst.info()->valid_region(), valid_region);
 
     // Validate padding
-    const PaddingSize padding = PaddingCalculator(shape.x(), 16).required_padding();
-    validate(src.info()->padding(), padding);
-    validate(dst.info()->padding(), padding);
+    validate(src.info()->padding(), PaddingSize());
+    validate(dst.info()->padding(), PaddingSize());
 }
 
 template <typename T>
diff --git a/tests/validation/fixtures/ThresholdFixture.h b/tests/validation/fixtures/ThresholdFixture.h
index 9a92175..1aef6fa 100644
--- a/tests/validation/fixtures/ThresholdFixture.h
+++ b/tests/validation/fixtures/ThresholdFixture.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2017 ARM Limited.
+ * Copyright (c) 2017-2020 ARM Limited.
  *
  * SPDX-License-Identifier: MIT
  *
@@ -65,7 +65,7 @@
 
         // Create and configure function
         FunctionType thrsh;
-        thrsh.configure(&src, &dst, threshold, false_value, true_value, type, upper);
+        thrsh.configure(&src, &dst, ThresholdKernelInfo(threshold, false_value, true_value, type, upper));
 
         ARM_COMPUTE_EXPECT(src.info()->is_resizable(), framework::LogLevel::ERRORS);
         ARM_COMPUTE_EXPECT(dst.info()->is_resizable(), framework::LogLevel::ERRORS);