OMX: Increase the number of picture buffers.

BUG=none
TEST=Runs on Daisy.

Review URL: https://chromiumcodereview.appspot.com/10958060

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@158463 0039d316-1c4b-4281-b951-d872f2087c98
1 file changed