Squashed commit of the following:

commit e5dbeef33ff1804a610e7e3b231f90350743695c
Author: Ying Wang <wangying@google.com>
Date:   Tue Apr 9 21:52:30 2013 -0700

    Add liblog

    Bug: 8580410
    Change-Id: Idb83d3ea0e76f1df03f5038388246dde661cf1b1

commit b5c68531728749d1f23781fc43ebefc752650871
Author: Glenn Kasten <gkasten@google.com>
Date:   Tue Oct 30 10:59:01 2012 -0700

    Remove obsolete references to libmedia_native

    Bug: 6654403
    Change-Id: I2f35bc60365a3d866a9b066c574a09fbddd42958

Change-Id: Ifaafed5703ce1b6e3bc7f2285a982099c9e8ddf5