Pass the socket mark for DNS queries to dnsmasq.

This makes tethered clients use the correct DNS servers when
tethering to non-default networks like the DUN APN.

Bug: 16357676
Change-Id: I8933b6de198a92c2aaf0291931ace8966ddba275
3 files changed
tree: a33c75cbec5db0b94dee186519e2c31e25442c30
  1. core/
  2. services/
  3. tests/