d2702ef110
Since the keep-alive payload type is not registered in the payload type map of FakeNetworkPipe, it will cause a DCHECK to trigger unless we're able to destroy the call before that. Just register it in the fake network as media type "any", it will be discarded early on the receive side anyway. BUG=webrt:7964 Review-Url: https://codereview.webrtc.org/2979543002 Cr-Commit-Position: refs/heads/master@{#18953}