As approved by Android Security team, added logging of strength of auth method as well as logging of fingerprint keyguard actions. Bug: 26841997 Change-Id: Ic8e3f125f775a7585fe56003f4c6442390edea61
Bug: 22860162 Change-Id: I7dbe68fff7d9d45b6c417d960cf025c8d0694917
Bug: 26127031 Bug: 22860162 Change-Id: I14e08850ece7d9c0229b7213ee2e25cd089defc1