ref: cc894a184fe266b8d25069077008a8c0f7a3d241
parent: 0ef72720d0c54be9faa8287652eeab7b4cd5b7fb
author: James Zern <jzern@google.com>
date: Fri Feb 22 06:28:48 EST 2013
Fix variance (signed integer) overflow based on change made in experimental: 9847344 Fix variance (signed integer) overflow Change-Id: I36f4ba5700f6f4615057daf7e70868f68a86669f