COMPMID-3391: Implement Async interfaces

Change-Id: I8168cea5056ff48a0253ebb8c88ea549a3ea69a2
Signed-off-by: Michalis Spyrou <michalis.spyrou@arm.com>
Reviewed-on: https://review.mlplatform.org/c/ml/ComputeLibrary/+/3335
Tested-by: Arm Jenkins <bsgcomp@arm.com>
Comments-Addressed: Arm Jenkins <bsgcomp@arm.com>
Reviewed-by: Georgios Pinitas <georgios.pinitas@arm.com>
diff --git a/arm_compute/runtime/NEON/functions/NEGenerateProposalsLayer.h b/arm_compute/runtime/NEON/functions/NEGenerateProposalsLayer.h
index 7c470fb..7260434 100644
--- a/arm_compute/runtime/NEON/functions/NEGenerateProposalsLayer.h
+++ b/arm_compute/runtime/NEON/functions/NEGenerateProposalsLayer.h
@@ -23,18 +23,19 @@
  */
 #ifndef ARM_COMPUTE_NEGENERATEPROPOSALSLAYER_H
 #define ARM_COMPUTE_NEGENERATEPROPOSALSLAYER_H
+
 #include "arm_compute/core/NEON/kernels/NEBoundingBoxTransformKernel.h"
 #include "arm_compute/core/NEON/kernels/NEDequantizationLayerKernel.h"
 #include "arm_compute/core/NEON/kernels/NEGenerateProposalsLayerKernel.h"
 #include "arm_compute/core/NEON/kernels/NEPadLayerKernel.h"
 #include "arm_compute/core/NEON/kernels/NEPermuteKernel.h"
 #include "arm_compute/core/NEON/kernels/NEQuantizationLayerKernel.h"
-#include "arm_compute/core/NEON/kernels/NEReshapeLayerKernel.h"
 #include "arm_compute/core/Types.h"
 #include "arm_compute/runtime/CPP/CPPScheduler.h"
 #include "arm_compute/runtime/CPP/functions/CPPBoxWithNonMaximaSuppressionLimit.h"
 #include "arm_compute/runtime/IFunction.h"
 #include "arm_compute/runtime/MemoryGroup.h"
+#include "arm_compute/runtime/NEON/functions/NEReshapeLayer.h"
 #include "arm_compute/runtime/Tensor.h"
 
 namespace arm_compute
@@ -112,9 +113,9 @@
 
     // Neon kernels
     NEPermuteKernel              _permute_deltas_kernel;
-    NEReshapeLayerKernel         _flatten_deltas_kernel;
+    NEReshapeLayer               _flatten_deltas;
     NEPermuteKernel              _permute_scores_kernel;
-    NEReshapeLayerKernel         _flatten_scores_kernel;
+    NEReshapeLayer               _flatten_scores;
     NEComputeAllAnchorsKernel    _compute_anchors_kernel;
     NEBoundingBoxTransformKernel _bounding_box_kernel;
     NEPadLayerKernel             _pad_kernel;