Refactor "avoid bad wifi" logic into a utility class am: fc52be9643
am: f0582faceb

Change-Id: Id670d13b99ab6935b67335e19d2389e5b4f61111
tree: 907b0a9d53f69166d66ef9982807a5c9fbe7838f
  1. core/
  2. services/
  3. tests/