Mark the raw socket used by clatd.
Mark the raw socket used by clatd.

This is required to use clatd on a non-default network.

(cherry picked from commit 10c1adce5e85b429bf45bf7f0208c6c37245fbfb)

Bug: 15340961
Change-Id: I779c83644727227a109bfeec1565364336b5ac2b

android-ia/platform_external_android-clat,jsnweitzel/android_external_android-clat,jsnweitzel/android_external_android-clat,geekboxzone/lollipop_external_android-clat,TeamExodus/external_android-clat,Omegaphora/external_android-clat,thiz11/platform_external_android-clat,TeamExodus/external_android-clat,thiz11/platform_external_android-clat,geekboxzone/mmallow_external_android-clat,android-ia/platform_external_android-clat,xin3liang/platform_external_android-clat,geekboxzone/lollipop_external_android-clat,xin3liang/platform_external_android-clat,Omegaphora/external_android-clat,geekboxzone/mmallow_external_android-clat