strip cxx_dynamic so in tiny_publish test=develop (#2456)

* [Publish] strip cxx light lib test=develop

lite/CMakeLists.txt

@@ -177,6 +177,8 @@ if (LITE_WITH_LIGHT_WEIGHT_FRAMEWORK AND LITE_WITH_ARM)
                     )
                 add_dependencies(tiny_publish_cxx_lib paddle_light_api_shared)
                 add_dependencies(publish_inference tiny_publish_cxx_lib)
+                add_custom_command(TARGET tiny_publish_cxx_lib POST_BUILD
+                            COMMAND ${CMAKE_STRIP} "-s" ${INFER_LITE_PUBLISH_ROOT}/cxx/lib/libpaddle_light_api_shared.so)
             endif()
         endif()
     endif()