Use build nodes with expanded hdd for sdc

Merge and stage jobs were failing due to lack of HDD space. Using
the v1 ubuntu1604 node, which has an expanded hdd, should resolve
the issue.

Issue-ID: CIMAN-33
Change-Id: I1c1633bba21ef343adb651972fa58ca9505e0e1c
Signed-off-by: Eric Ball <eball@linuxfoundation.org>
1 file changed