AI 143720: am: CL 143710 am: CL 143615 -Add more stats:

  -total network sent/received
  -total full/partial wakelock times.
  -Format the network sent/received amounts to be more easily readable.
  Original author: emillar
  Merged from: //branches/cupcake/...
  Original author: android-build
  Merged from: //branches/donutburger/...

Automated import of CL 143720