MLCE-510 Add CpuRef Shape Operator to ArmNN

 * Add TfLiteParser and delegate support

Signed-off-by: Keith Davis <keith.davis@arm.com>
Change-Id: Id3219ba7cc7128b5e73de2c7d8d076a40dcce9c5
diff --git a/delegate/src/armnn_delegate.cpp b/delegate/src/armnn_delegate.cpp
index 0c984ec..0ac3380 100644
--- a/delegate/src/armnn_delegate.cpp
+++ b/delegate/src/armnn_delegate.cpp
@@ -30,6 +30,7 @@
 #include "Reduce.hpp"
 #include "Resize.hpp"
 #include "Round.hpp"
+#include "Shape.hpp"
 #include "Slice.hpp"
 #include "Softmax.hpp"
 #include "SpaceDepth.hpp"
@@ -805,6 +806,12 @@
                                                  tfLiteNode,
                                                  nodeIndex,
                                                  armnn::UnaryOperation::Rsqrt);
+        case kTfLiteBuiltinShape:
+            return VisitShapeOperator(delegateData,
+                                      tfLiteContext,
+                                      tfLiteNode,
+                                      nodeIndex,
+                                      kTfLiteBuiltinShape);
         case kTfLiteBuiltinSplit:
             return VisitSplitOperator(delegateData,
                                       tfLiteContext,