tree 32020aad53fb7de40df74baba44a4ce1749993bd
parent 69b9c6a7d6453c1c76857c5edfeb1d89a1315674
author Robert Greenwalt <rgreenwalt@google.com> 1410368792 -0700
committer Robert Greenwalt <rgreenwalt@google.com> 1410368792 -0700

Don't accept score below 0.

Network Factories are allowed to go below, but networks need to be
constrained.  Allowing the network to go below 0 meant that -1 could
sometimes leak through and foul the logic.

bug:17361330
Change-Id: Ife34ca0f9c233dd3c3df80f6fea580af43afcdeb