Make a copy of TunUtils and PacketUtils

Temporarily make copies. Eventually will statically include the
source files in CtsIkeTestCases

Bug: 148689509
Test: atest CtsIkeTestCases
Change-Id: I7dd5c8b849f0d987fa6d76bc5a0bc1a7eed49b0d
2 files changed
tree: ada6ccbcd876782584256f9b371fdfd5d921e350
  1. tests/