Merge "Fix crash in when restoring CredentialCheckResultTracker Fragment" into mnc-dr-dev

src/com/android/settings/CredentialCheckResultTracker.java

@@ -23,7 +23,7 @@ import android.os.Bundle;
 /**
  * An invisible retained fragment to track lock check result.
  */
-class CredentialCheckResultTracker extends Fragment {
+public class CredentialCheckResultTracker extends Fragment {
 
     private Listener mListener;
     private boolean mHasResult = false;