Add dependency on create_nmf.py to all ppapi NaCl tests.

BUG=328980
R=dmichael@chromium.org

Review URL: https://codereview.chromium.org/113133008

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@241090 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 241090