Change MakePadding function to be private
Change MakePadding function to be private

Summary: att

Reviewed By: asaadaldien

Differential Revision: D6570051

fbshipit-source-id: 9c5eb2c1cb87c32dd19a9f096e68d521e690cf39

caffe2/caffe2,Yangqing/caffe2,Yangqing/caffe2,xzturn/caffe2,xzturn/caffe2,xzturn/caffe2,xzturn/caffe2,Yangqing/caffe2,xzturn/caffe2,Yangqing/caffe2,Yangqing/caffe2