Do direct FakeQuantize type propagation (#4220)

Co-authored-by: Scott Cyphers <diyessi@users.noreply.github.com>

src/ngraph/op/fused/fake_quantize.cpp

@@ -52,7 +52,7 @@ op::FakeQuantize::FakeQuantize(const Output<Node>& data,
     constructor_validate_and_infer_types();
 }
 
-void op::FakeQuantize::pre_validate_and_infer_types()
+void op::FakeQuantize::validate_and_infer_types()
 {
     PartialShape data_pshape = get_input_partial_shape(0);
 
@@ -77,6 +77,7 @@ void op::FakeQuantize::pre_validate_and_infer_types()
             NODE_VALIDATION_CHECK(this, false, "Unsupported auto broadcast specification");
         }
     }
+    set_output_type(0, get_input_element_type(0), get_input_partial_shape(0));
 }
 
 NodeVector op::FakeQuantize::decompose_op() const

src/ngraph/op/fused/fake_quantize.hpp

@@ -68,7 +68,7 @@ namespace ngraph
                                  AutoBroadcastSpec(AutoBroadcastType::NUMPY));
 
                 virtual NodeVector decompose_op() const override;
-                virtual void pre_validate_and_infer_types() override;
+                virtual void validate_and_infer_types() override;
 
                 virtual std::shared_ptr<Node>
                     copy_with_new_args(const NodeVector& new_args) const override;