Merge changes I89184fa3,I55f1ac4f

* changes:
  WifiConfigManagerNew: Add remove network unit tests
  WifiConfigManagerNew: Send broadcasts & write store
tree: bcb10b3ff36e0922acd5a2e4be9c2eae4abac1ce
  1. libwifi_hal/
  2. libwifi_system/
  3. service/
  4. tests/