Revert changes on tensor's strides and fix CLDepthwiseConvolution 3x3 Quantized

Revert changes on tensor's strides and fix CLDepthwiseConvolution 3x3 Quantized

- Revert changes in strides > num_dimensions. Set them to 0
- Fix offset calculcation in depthwise 3x3 quantized using select and stride_y for max offset

Resolve COMPMID-4254

Change-Id: Ia99b9637f18b99b1fa3d4b7b4892046027d3e7e5
Signed-off-by: Giorgio Arena <giorgio.arena@arm.com>
Reviewed-on: https://review.mlplatform.org/c/ml/ComputeLibrary/+/5040
Tested-by: Arm Jenkins <bsgcomp@arm.com>
Reviewed-by: Georgios Pinitas <georgios.pinitas@arm.com>
Comments-Addressed: Arm Jenkins <bsgcomp@arm.com>