Add FwmarkServer support for querying whether a UID can access a NetID

This new FwmarkServer API is only accessible from system apps.

Bug:20470604
Change-Id: Ie2376cdddc10f658fcc5802ef3e8dc9f1948d5c0
6 files changed
tree: 1a4dca47a641a10b41c282b04edadcce9acd5bd1
  1. client/
  2. include/
  3. server/
  4. Android.mk