Add Tests for XFRM Tunnel and VTI Interface

Tests Added -
-Add methods for creating and deleting VTIs
-Create an xfrm tunnel and send encrypted packet
-Create and teardown a vti
-Create a vti+xfrm tunnel and send a packet through it

Bug: 62633844
Test: this
Change-Id: Ifb98cfed73a94655a2c244941ea3b041f0c2a78f
8 files changed
tree: cc2c0eee6ad6311aebf5f72a6c42a19bb1709a7e
  1. net/
  2. OWNERS