am f0bbc494: Merge "Avoid NPE when missing network stats." into ics-mr1

* commit 'f0bbc494d638f4c77e688bf9410027f453301559':
  Avoid NPE when missing network stats.
tree: 0cfdd626a39c21fd4940c7f5524a202ec92ab21a
  1. core/
  2. services/
  3. wifi/