Enable WebRTCPlatformUDPSocketsEnabled experimental feature by default
After https://bugs.webkit.org/show_bug.cgi?id=228681, we can enable this new code path without expected difference of WebRTC behavior.
<rdar://problem/81383711>
Created attachment 434721 [details] Patch
<rdar://problem/80312481>
Committed r280545 (240172@main): <https://commits.webkit.org/240172@main> All reviewed patches have been landed. Closing bug and clearing flags on attachment 434721 [details].
*** Bug 230524 has been marked as a duplicate of this bug. ***