Fix factory test

On last integration we found two bugs which caused factory test
program to halt. Here's the fixes.

gbb_util: variable should be initialized.
factory_UploadLogs: a variable has changed from global to class scope.

BUG=none
TEST=manually

Change-Id: I40a24a6ed6601803a04352859e15886536f4eef0

Review URL: http://codereview.chromium.org/3433001
2 files changed