am 998a6836: Merge "Add a private method to retrieve the header list from PreferenceActivity" into jb-dev

* commit '998a68369fcf7928b6fa58d6312426f88a27a39e':
  Add a private method to retrieve the header list from PreferenceActivity

core/java/android/preference/PreferenceActivity.java

@@ -650,6 +650,14 @@ public abstract class PreferenceActivity extends ListActivity implements
                 && mPreferenceManager == null;
     }
 
+    /**
+     * Returns the Header list
+     * @hide
+     */
+    public List<Header> getHeaders() {
+        return mHeaders;
+    }
+
     /**
      * Returns true if this activity is showing multiple panes -- the headers
      * and a preference fragment.