Add basic functionality tests for IPsec tunnel mode

This change adds test for creation and address additions of IPsec tunnel
mode.

Bug: 72458318
Test: Ran on aosp_taimen-eng
Change-Id: If9d7e5ef35d37242d452eb7386cd5f5b80f6351f
3 files changed
tree: fb63e116d738c04f8da47ac9ad22321c59504ea9
  1. tests/