Revert "Revert "Block incoming non-VPN packets to apps under fully-routed VPN""

This reverts commit 2b6cd177ba30955b34c1f0dde7911452be5cad70.

Reason for revert: Rolling forward, will fix tests in same CL stack.

Bug: 114231106
Bug: 130397860
Test: FrameworksNetTests
Change-Id: Ia8a0c99b4e1fd5dff26c881715cd876618ca4321
7 files changed
tree: acff63fae0ccbd2b3f9839306cb9f76f0144f210
  1. core/
  2. services/
  3. tests/