whose network has ever been removed. It is unlikely the sockets/ports/candidates created from
those AllocationSequences will still be valid.
BUG=
Review URL: https://codereview.webrtc.org/1361183004
Cr-Commit-Position: refs/heads/master@{#10093}
This was already working in most cases, but not for some corner cases:
* If the PORTALLOCATOR_ENABLE_SHARED_SOCKET flag is not set
* If both a STUN server and TURN server are configured
I added unit tests for these cases, and centralized the code that gets
STUN server addresses in order to fix these and any related issues.
BUG=webrtc:4215
Review URL: https://codereview.webrtc.org/1215713003
Cr-Commit-Position: refs/heads/master@{#9596}