Changes SetupRedactionInterstitial to be an optional step

We no longer need this to be in inside the setup flow when setting up
the lock screen. Move this class to be used as an optional step if a
lock screen is added.

bug:23893721
Change-Id: I15478e0f0d8d8771cbdce6ccf0f508cbd5dd4f36
diff --git a/src/com/android/settings/SetupRedactionInterstitial.java b/src/com/android/settings/SetupRedactionInterstitial.java
index e967297..354016d 100644
--- a/src/com/android/settings/SetupRedactionInterstitial.java
+++ b/src/com/android/settings/SetupRedactionInterstitial.java
@@ -39,27 +39,17 @@
  */
 public class SetupRedactionInterstitial extends RedactionInterstitial {
 
-    public static Intent createStartIntent(Context ctx) {
-        Intent startIntent = RedactionInterstitial.createStartIntent(ctx, UserHandle.myUserId());
-        if (startIntent != null) {
-            startIntent.setClass(ctx, SetupRedactionInterstitial.class);
-            startIntent.putExtra(EXTRA_PREFS_SHOW_BUTTON_BAR, false)
-                    .putExtra(EXTRA_SHOW_FRAGMENT_TITLE_RESID, -1);
-        }
-        return startIntent;
-    }
-
     @Override
     public Intent getIntent() {
         Intent modIntent = new Intent(super.getIntent());
         modIntent.putExtra(EXTRA_SHOW_FRAGMENT,
-                SetupEncryptionInterstitialFragment.class.getName());
+                SetupRedactionInterstitialFragment.class.getName());
         return modIntent;
     }
 
     @Override
     protected boolean isValidFragment(String fragmentName) {
-        return SetupEncryptionInterstitialFragment.class.getName().equals(fragmentName);
+        return SetupRedactionInterstitialFragment.class.getName().equals(fragmentName);
     }
 
     @Override
@@ -68,7 +58,7 @@
         super.onApplyThemeResource(theme, resid, first);
     }
 
-    public static class SetupEncryptionInterstitialFragment extends RedactionInterstitialFragment
+    public static class SetupRedactionInterstitialFragment extends RedactionInterstitialFragment
             implements NavigationBar.NavigationBarListener {
 
         @Override