[CDH4] Update cdh4-extras

Updates a few of the Yarn server classes we use in cdh4-extras that have
changed.

Change-Id: I34d2a660cb9b4d8b0092bed2a130bd2f9590504c
Reviewed-on: http://gerrit.ent.cloudera.com:8080/1893
Reviewed-by: Henry Robinson <henry@cloudera.com>
Tested-by: jenkins