Wifi Watchdog: increase recovery coverage

Wifi watchdog should cover IP_CONFIGURATION_LOST and
NETWORK_DISCONNECTION_EVENT with reason=15:FOURWAY_HANDSHAKE_TIMEOUT.

Bug: 122263823
Test: unit test
      OK (3115 tests)
Test: 1. Let device connected on access point with DHCP enable.
      2. Disable DHCP service on access point side.
      3. check watchdog be triggered with IP_CONFIGURATION_LOST

Change-Id: I8901e50d5d44084076755d6e8ba2896f32e3e5c4
2 files changed