COMPMID-401: Implement FixedPointPosition conversion for NEON.

Adds support of changing the fixed point position of a tensor in
DepthConvert.

Change-Id: Ic3b50a4628fac7497a0217d92941c9d6f64d21cb
Reviewed-on: http://mpd-gerrit.cambridge.arm.com/80438
Reviewed-by: Anthony Barbier <anthony.barbier@arm.com>
Tested-by: Kaizen <jeremy.johnson+kaizengerrit@arm.com>
diff --git a/tests/validation/Reference.cpp b/tests/validation/Reference.cpp
index acf010e..4b4919f 100644
--- a/tests/validation/Reference.cpp
+++ b/tests/validation/Reference.cpp
@@ -283,10 +283,11 @@
     return ref_dst;
 }
 
-RawTensor Reference::compute_reference_depth_convert(const TensorShape &shape, DataType dt_in, DataType dt_out, ConvertPolicy policy, uint32_t shift, uint32_t fixed_point_position)
+RawTensor Reference::compute_reference_depth_convert(const TensorShape &shape, DataType dt_in, DataType dt_out, ConvertPolicy policy,
+                                                     uint32_t shift, uint32_t fixed_point_position_in, uint32_t fixed_point_position_out)
 {
-    RawTensor ref_src = library->get(shape, dt_in, 1, fixed_point_position);
-    RawTensor ref_dst = library->get(shape, dt_out, 1, fixed_point_position);
+    RawTensor ref_src = library->get(shape, dt_in, 1, fixed_point_position_in);
+    RawTensor ref_dst = library->get(shape, dt_out, 1, fixed_point_position_out);
 
     // Fill reference
     library->fill_tensor_uniform(ref_src, 0);