WifiConnectivityManager: Run AlarmManager on WifiStateMachine thread

With WifiScanner also running on the WifiStateMachine thread,
WifiConnectivityManager is now exectued on a single thread context.

While there, fixed a few checkstyle issues.

Bug: 28369823
Change-Id: Ibf2b65be42d243deb61a68380a9011f4acc663b4
3 files changed
tree: 635cca3b91bbbaf98cdaf84a9544a7f194901f89
  1. service/
  2. tests/