Back out "[pt1][tensor] Remove caffe2::ShareData" (#15983)
Summary:
Pull Request resolved: https://github.com/pytorch/pytorch/pull/15983
Original commit changeset: 6e4275d02f4c
Reviewed By: supertopher, Yangqing
Differential Revision: D13644123
fbshipit-source-id: 4b15a4c62995c0e68aad58465600409e302e6504
