Add Traffic Annotation to bidirectional stream.

Network traffic annotation is added to bidirectional_stream.cc and is
used to create Quic or Spdy bidirectional streams.

Bug: 656607
Change-Id: I3af2658d69940b66081429b9d970657b07cf1796
Reviewed-on: https://chromium-review.googlesource.com/952969
Commit-Queue: Ramin Halavati <[email protected]>
Reviewed-by: Ryan Hamilton <[email protected]>
Cr-Commit-Position: refs/heads/master@{#542399}
10 files changed