Tensor inference function for Gather
Tensor inference function for Gather

Summary: Make Gather more convenient to use in layer model

Reviewed By: xianjiec

Differential Revision: D5695197

fbshipit-source-id: aa0406ea39af5b6980ee6fd3bb11250732caac00

Yangqing/caffe2,xzturn/caffe2,Yangqing/caffe2,Yangqing/caffe2,xzturn/caffe2,davinwang/caffe2,pietern/caffe2,davinwang/caffe2,sf-wind/caffe2,davinwang/caffe2,sf-wind/caffe2,pietern/caffe2,Yangqing/caffe2,Yangqing/caffe2,sf-wind/caffe2,xzturn/caffe2,sf-wind/caffe2,xzturn/caffe2,pietern/caffe2,pietern/caffe2,davinwang/caffe2,pietern/caffe2,davinwang/caffe2,caffe2/caffe2,xzturn/caffe2,sf-wind/caffe2