ref: 5de7e16ca2b65e834293fab25d8c820329a18193
parent: 94fa3bcc06778fb1ba26cb4a8e515c58dcc962eb
author: Dmitry Kovalev <dkovalev@google.com>
date: Mon Apr 22 10:08:41 EDT 2013
Adding get_scan_{4x4, 8x8, 16x16} functions.
Change-Id: Id4306ef6d65d4a3984aed50b775bdf48d4f6c438