Some implementations of std::max_element (used to find the "most
pingable" connection) seem to compare an element with itself, which
MorePingable doesn't handle.
Fixing by handling the self-comparison outside MorePingable.
Bug: webrtc:8697
Change-Id: Ieb34580f52037639c00041a4e65901cad92d0971
Reviewed-on: https://webrtc-review.googlesource.com/62402
Reviewed-by: Qingsi Wang <qingsi@webrtc.org>
Commit-Queue: Taylor Brandstetter <deadbeef@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#22543}