Use updated lockscreen validation API in Settings.

Test: manual
Test: m RunSettingsRoboTests -j ROBOTEST_FILTER=com.android.settings.password
Bug: 269256333
Change-Id: I26751b33ccf0c79d3c75f8799ec81c7c2d820f3c

src/com/android/settings/password/ConfirmLockPattern.java

@@ -646,6 +646,9 @@ public class ConfirmLockPattern extends ConfirmDeviceCredentialBaseActivity {
                     break;
                 case RemoteLockscreenValidationResult.RESULT_NO_REMAINING_ATTEMPTS:
                     getActivity().finish();
+                    break;
+                case RemoteLockscreenValidationResult.RESULT_SESSION_EXPIRED:
+                    getActivity().finish();
             }
             mGlifLayout.setProgressBarShown(false);
         }