Merge "Add resetKeyStore() in LockSettingsService" into nyc-dev am: 1cb6f9d8a4
am: 9b22e5b4e8

* commit '9b22e5b4e80e9daadf2af6430607016839e1909c':
  Add resetKeyStore() in LockSettingsService

Change-Id: Icf0caad400e9ab8fd04af6e79f049db406dce4a7