Show colorAccent icon color for connected Wi-Fi entry

- Screenshot:
  https://screenshot.googleplex.com/9Mud8BPjvSEyo2Q

Bug: 177481238
Test: manual test
make RunSettingsRoboTests ROBOTEST_FILTER=WifiEntryPreferenceTest

Change-Id: I637a38e7acfa8a330e88860743be63417e5a8187
1 file changed