Merge change 23738 into eclair

* changes:
  fix doc

core/java/android/accounts/Constants.java

@@ -52,7 +52,9 @@ public class Constants {
     /**
      * Action sent as a broadcast Intent by the AccountsService
      * when accounts are added to and/or removed from the device's
-     * database, or when the primary account is changed.
+     * database.
+     * Note: The primary account on the phone can only be changed
+     * after a data wipe.
      */
     public static final String LOGIN_ACCOUNTS_CHANGED_ACTION =
         "android.accounts.LOGIN_ACCOUNTS_CHANGED";