[cherry-pick] optimizer var exlcude fluid.data var. test=develop (#22618)

* optimizer var exlcude fluid.data var. test=develop

* fix compute priority. test=develop

python/paddle/fluid/io.py

@@ -112,7 +112,7 @@ def is_persistable(var):
 
 
 def is_belong_to_optimizer(var):
-    if not isinstance(var, Parameter):
+    if not (isinstance(var, Parameter) or var.desc.need_check_feed()):
         return is_persistable(var)
 
     return False