Move createTunInterface to its own test file for use elsewhere.

Bug: 28362720
Test: test-only change. netd_{unit,integration}_test pass.
Change-Id: I89f7c922ae8f8a550db58938dacff92390cc1d0f
4 files changed
tree: c87306affa276cee63c5d7361012ef73a55187e7
  1. client/
  2. include/
  3. server/
  4. tests/
  5. Android.mk
  6. MODULE_LICENSE_APACHE2
  7. NOTICE