Add a socket mark parameter to tethering DNS commands.

This allows the framework to pass down to dnsmasq the socket mark
to use for DNS queries.

Bug: 16357676
Change-Id: I8933b6de198a92c2aaf0291931ace8966ddba275
4 files changed
tree: fa0a7628fd0d2e2fdb2ddc28a1b2d16ec3d39165
  1. client/
  2. include/
  3. server/