ClientModeImpl: Construct network factories in constructor

Also, refactor the ClientModeImpl tests to just use mocks for the
NetworkFactory.

Bug: 116210817
Test: Unit tests
Test: Device boots up & auto-connects to wifi networks
Change-Id: I5b1baad80eb7dcfb4ae46aa7062f143b510a74fd
7 files changed
tree: d34db077231aafdd2f53afe402ffb3a01dac8abc
  1. service/
  2. PREUPLOAD.cfg