Refactored MachineManager a little

PRESUBMIT=passed
R=asharif
DELTA=163  (82 added, 66 deleted, 15 changed)
RCL=45361-p2
RDATE=2010/11/22 11:28:12


P4 change: 42606372
5 files changed
tree: 65984a04189b88363643663b77c003e720d8b302
  1. .git5_specs/
  2. v14/