Alias from paddle.fluid.layers.auc to paddle.static.auc (#30206)

* add alias from  fluid.layers.auc to static.auc

* Update __init__.py

python/paddle/static/__init__.py

@@ -63,3 +63,4 @@ from ..fluid.io import load_program_state  #DEFINE_ALIAS
 from ..fluid.io import set_program_state  #DEFINE_ALIAS
 from ..fluid.layers import create_parameter  #DEFINE_ALIAS
 from ..fluid.layers import create_global_var  #DEFINE_ALIAS
+from ..fluid.layers.metric_op import auc  #DEFINE_ALIAS