clat: enable PACKET_AUXDATA cmsg reception

(this should effectively still be a no-op, as the socket
is read() from in clatd, that will change in another commit)

Bug: 259872525
Signed-off-by: Maciej Żenczykowski <maze@google.com>
Change-Id: Ice6c0440a98219a54c51e9bd41f5bc77e4067d11
1 file changed