IVGCVSW-3076 Add ConcatLayer methods to public API

!android-nn-driver:1120

Change-Id: I5192fa3deb4ea9766d38ad0bf4dfbfa0b4924c41
Signed-off-by: Jim Flynn <jim.flynn@arm.com>
diff --git a/src/backends/reference/RefLayerSupport.hpp b/src/backends/reference/RefLayerSupport.hpp
index 9b1a95c..a4ae01e 100644
--- a/src/backends/reference/RefLayerSupport.hpp
+++ b/src/backends/reference/RefLayerSupport.hpp
@@ -36,6 +36,11 @@
                                    const BatchToSpaceNdDescriptor& descriptor,
                                    Optional<std::string&> reasonIfUnsupported = EmptyOptional()) const override;
 
+    bool IsConcatSupported(const std::vector<const TensorInfo*> inputs,
+                           const TensorInfo& output,
+                           const OriginsDescriptor& descriptor,
+                           Optional<std::string&> reasonIfUnsupported = EmptyOptional()) const override;
+
     bool IsConstantSupported(const TensorInfo& output,
                              Optional<std::string&> reasonIfUnsupported = EmptyOptional()) const override;
 
@@ -162,6 +167,7 @@
                          const MeanDescriptor& descriptor,
                          Optional<std::string&> reasonIfUnsupported = EmptyOptional()) const override;
 
+    ARMNN_DEPRECATED_MSG("Use IsConcatSupported instead")
     bool IsMergerSupported(const std::vector<const TensorInfo*> inputs,
                            const TensorInfo& output,
                            const OriginsDescriptor& descriptor,