NetworkSuggestionEvaluator: Minor Refactor for onConnectable

Ensure that we invoke onConnectable using the WifiConfiguration added
to WifiConfigManager for all network suggestion candidates available.
Also, removes some unnecessary code duplication (getConfiguredNetwork
was being done twice before).

Bug: 123643040
Test: ./frameworks/opt/net/wifi/tests/wifitests/runtests.sh
Test: act.py -c wifi_manager.config -tb dut-name -tc WifiNetworkSuggestionTest
Change-Id: I4dc5c1846b12f15837e614c950c58eb78f69ab22
2 files changed