Disable SetupRedactionInterstitial when complete

When RedactionInterstitial is complete, there is no need to show the
SetupRedactionInterstitial as optional step anymore. Disable it via
package manager when RedactionInterstatial completes.

Test: Manual
Bug: 36696006
Change-Id: I3fd421d6a8a0d24d7ebbe8c1e688a10e00067f2f

src/com/android/settings/SetupChooseLockPattern.java

@@ -73,6 +73,9 @@ public class SetupChooseLockPattern extends ChooseLockPattern {
 
         @Override
         protected Intent getRedactionInterstitialIntent(Context context) {
+            // Setup wizard's redaction interstitial is deferred to optional step. Enable that
+            // optional step if the lock screen was set up.
+            SetupRedactionInterstitial.setEnabled(context, false);
             return null;
         }
     }