Test that if an RA sets the same prefix as DNS, nothing happens.

This is not particularly likely to happen unless the pref64 RA is
sent by a different router than the main RA. But more tests are
always good, and this additional coverage will be more useful
in an upcoming change.

Bug: 150648313
Test: test-only change
Original-Change: https://android-review.googlesource.com/1316094
Merged-In: I3316d49d42100800740afadc4edf0a13a4d8377c
Change-Id: I3316d49d42100800740afadc4edf0a13a4d8377c
1 file changed
tree: 9b14b855a1e9b7a0a3ba6e13ef04de41b094c4fa
  1. core/
  2. services/
  3. tests/