* Update Swish OP description. Signed-off-by: Luwei Zhou <luwei.zhou@intel.com> * Use RTTI to declare/define NGraph Swish OP. Add input element type check when constructing Swish OP. Signed-off-by: Luwei Zhou <luwei.zhou@intel.com> * Add Swish into activation serialization test list. Signed-off-by: Luwei Zhou <luwei.zhou@intel.com> * Add Swish into IE CPU plugin activation single layer test suit. Signed-off-by: Luwei Zhou <luwei.zhou@intel.com> * Add Swish NGraph backend and visitor API tests. Signed-off-by: Luwei Zhou <luwei.zhou@intel.com> * Add Swish unsupported parameter data type test cases. Signed-off-by: Luwei Zhou <luwei.zhou@intel.com> * Update the Swish OP visistor API to use typed test. Signed-off-by: Luwei Zhou <luwei.zhou@intel.com>