Add dynamic tensor support to CpuElementwise

The kernels and operators for binary and unary operations
are now capable of being configured with dynamic shapes and
computing windows at run-time.

Additionally, changing arguments' names is done
for consistency.

Partially Implements: COMPMID-4127

Change-Id: I48e5038692db667dec7cb2b2906fe5683214fe19
Signed-off-by: Sang-Hoon Park <sang-hoon.park@arm.com>
Reviewed-on: https://review.mlplatform.org/c/ml/ComputeLibrary/+/4973
Tested-by: Arm Jenkins <bsgcomp@arm.com>
Reviewed-by: Pablo Marquez Tello <pablo.tello@arm.com>
Comments-Addressed: Arm Jenkins <bsgcomp@arm.com>
diff --git a/arm_compute/runtime/NEON/INEOperator.h b/arm_compute/runtime/NEON/INEOperator.h
index b21dc49..184a595 100644
--- a/arm_compute/runtime/NEON/INEOperator.h
+++ b/arm_compute/runtime/NEON/INEOperator.h
@@ -34,6 +34,8 @@
 namespace arm_compute
 {
 class ICPPKernel;
+class Window;
+
 using INEKernel = ICPPKernel;
 namespace experimental
 {
@@ -63,6 +65,8 @@
     MemoryRequirements workspace() const override;
 
 protected:
+    void run(ITensorPack &tensors, const Window &window);
+
     std::unique_ptr<INEKernel> _kernel;
     IRuntimeContext           *_ctx;
     MemoryRequirements         _workspace;