IVGCVSW-3878 Add reference workload for SLICE

* Added reference workload implementation and layer tests
  for all supported tensor dimensions (1d, 2d, 3d, 4d)

Signed-off-by: Aron Virginas-Tar <Aron.Virginas-Tar@arm.com>
Change-Id: I40eb300828933e9183027281105d1a7e597d1569
diff --git a/src/backends/backendsCommon/common.mk b/src/backends/backendsCommon/common.mk
index 14feb34..0943a83 100644
--- a/src/backends/backendsCommon/common.mk
+++ b/src/backends/backendsCommon/common.mk
@@ -62,6 +62,7 @@
     test/layerTests/Pooling2dTestImpl.cpp \
     test/layerTests/ReshapeTestImpl.cpp \
     test/layerTests/RsqrtTestImpl.cpp \
+    test/layerTests/SliceTestImpl.cpp \
     test/layerTests/QuantizeTestImpl.cpp \
     test/layerTests/SoftmaxTestImpl.cpp \
     test/layerTests/SpaceToBatchNdTestImpl.cpp \