Fix @link references to classes not in the public API

Bug: https://code.google.com/p/android/issues/detail?id=191303
Change-Id: I4f2f2cb7b1f4425a14696f3717ea5f9dcb59be04

xml/src/main/java/org/xmlpull/v1/XmlPullParserFactory.java

@@ -3,9 +3,6 @@
 
 package org.xmlpull.v1;
 
-import org.kxml2.io.KXmlParser;
-import org.kxml2.io.KXmlSerializer;
-
 import java.util.ArrayList;
 import java.util.HashMap;
 import java.util.Map;
@@ -218,17 +215,17 @@ public class XmlPullParserFactory {
     /**
      * Creates a new instance of a PullParserFactory that can be used
      * to create XML pull parsers. The factory will always return instances
-     * of {@link KXmlParser} and {@link KXmlSerializer}.
+     * of Android's built-in {@link XmlPullParser} and {@link XmlSerializer}.
      */
     public static XmlPullParserFactory newInstance () throws XmlPullParserException {
         return new XmlPullParserFactory();
     }
 
     /**
-     * Creates a factory that always returns instances of of {@link KXmlParser} and
-     * {@link KXmlSerializer}. This <b>does not</b> support factories capable of
-     * creating arbitrary parser and serializer implementations. Both arguments to this
-     * method are unused.
+     * Creates a factory that always returns instances of Android's built-in
+     * {@link XmlPullParser} and {@link XmlSerializer} implementation. This
+     * <b>does not</b> support factories capable of creating arbitrary parser
+     * and serializer implementations. Both arguments to this method are unused.
      */
     public static XmlPullParserFactory newInstance (String unused, Class unused2)
         throws XmlPullParserException {