Add CTS test for Restricted Networking Mode

Test: atest com.android.cts.net.HostsideRestrictBackgroundNetworkTests
Bug: 175281879
Bug: 170323671
Change-Id: Ic69e7e029debeea1f131242fb2baad2796d4768c
3 files changed
tree: 92630bb5db4a167a5e6f2457b4c54b25811c411b
  1. framework/
  2. tests/
  3. Tethering/
  4. .gitignore
  5. OWNERS
  6. PREUPLOAD.cfg
  7. TEST_MAPPING