Fix Javadoc.

Bug: 6418632
Change-Id: Ib17218c413cbdf26bab19ccd873de33e67dd3397

Author: Jeff Brown

core/java/android/os/Handler.java

@@ -518,7 +518,7 @@ public final void removeMessages(int what) {
 
     /**
      * Remove any pending posts of messages with code 'what' and whose obj is
-     * 'object' that are in the message queue.  If <var>token</var> is null,
+     * 'object' that are in the message queue.  If <var>object</var> is null,
      * all messages will be removed.
      */
     public final void removeMessages(int what, Object object) {