Fix gpu test for FCTransposed
Fix gpu test for FCTransposed

Summary: Fix gpu test for FCTransposed.

Reviewed By: pietern

Differential Revision: D6560213

fbshipit-source-id: 3b5a3e2f1f2f1c144599967d3565d71dc4340cec

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