tree cd28e5b6f0cc2208e9611a998a1c03a24c1f8bc8
parent 9510a53d25ea25dc115bfb96f20a315b8f3ebcce
author Jingning Han <jingning@google.com> 1569278627 -0700
committer Jingning Han <jingning@google.com> 1570204757 +0000

Rework the tpl model construction

Support forward building and backward synthesis to build the
temporal dependency model.

Change-Id: Id04d838647eaf366c3a2b2a25028cdcdadcb7d87