Summary:
In this diff :
[1] Change the output from generating all paths from root to labels to TreeProto.
TreeProto itself is required by inference and we can use hsm_util to get the
paths from TreeProto.
[2] Fix hsm_util index assigment.
Differential Revision: D4416731
fbshipit-source-id: 657d8b9b4df6fa30c9f92d391cf7e07b5c5db1f8