COMPMID-443 Use 3D tensor for pixel multiply (Needed for Normalization Layer)

Change-Id: I117688f12334e6afc705c863acdf71b0bb1fc6e8
Reviewed-on: http://mpd-gerrit.cambridge.arm.com/80352
Tested-by: Kaizen <jeremy.johnson+kaizengerrit@arm.com>
Reviewed-by: Georgios Pinitas <georgios.pinitas@arm.com>
3 files changed