deadbeef 9a6f4d4316 Get tests working on systems that only support IPv6.
For every failing test, the solution was either to do a "has IPv4" check
before the test is run, or avoid depending on real network interfaces
altogether.

This specifically fixes rtc_unittests, peerconnection_unittests, and
webrtc_nonparallel_tests.

BUG=None

Review-Url: https://codereview.webrtc.org/2881973002
Cr-Commit-Position: refs/heads/master@{#18155}
2017-05-16 02:43:33 +00:00
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