specify clang_format to ver3.9
specify clang_format to ver3.9

qingqing01/models,lcy-seso/models,Superjom/models-1,Superjom/models-1,xinghai-sun/models,xinghai-sun/models,lcy-seso/models,xinghai-sun/models,kuke/models,Superjom/models-1,lcy-seso/models,kuke/models,qingqing01/models,kuke/models,PaddlePaddle/models,PaddlePaddle/models,PaddlePaddle/models,qingqing01/models,xinghai-sun/models,kuke/models