rather than symlink the webm/vpx terms, use the same header as libvpx to reference in-tree files based on the discussion in: https://codereview.chromium.org/12771026/ Change-Id: Ia3067ecddefaa7ee01550136e00f7b3f086d4af4
the values of EXIF/XMP/ICC are unused and Extended XMP for payloads > 64k is unsupported. Change-Id: If721aa2009335ce090148b7ecd7ea8459f9b942d
Change-Id: I45e1f0fa7b34286dd98926e0485e5a8ab1964570