Showing tutorial for Face Unlock on first try

Change-Id: Idf072750e70a9e5bc7699675d8a7a9c57900eea3
diff --git a/src/com/android/settings/ChooseLockGeneric.java b/src/com/android/settings/ChooseLockGeneric.java
index d589aa3..8b3f204 100644
--- a/src/com/android/settings/ChooseLockGeneric.java
+++ b/src/com/android/settings/ChooseLockGeneric.java
@@ -282,8 +282,11 @@
                     R.string.backup_lock_settings_picker_title);
             fallBackIntent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
 
-            Intent intent = new Intent().setClassName("com.android.facelock",
-                    "com.android.facelock.SetupFaceLock");
+            boolean showTutorial = !mChooseLockSettingsHelper.utils().isBiometricWeakEverChosen();
+            Intent intent = new Intent();
+            intent.setClassName("com.android.facelock", showTutorial
+                        ? "com.android.facelock.FaceLockTutorial"
+                        : "com.android.facelock.SetupFaceLock"); 
             PendingIntent pending = PendingIntent.getActivity(getActivity(), 0, fallBackIntent, 0);
             intent.putExtra("PendingIntent", pending);
             return intent;