C++ unit tests for RTCQuicStream

Bug: 874296
Change-Id: I8c0d22bf4d688accf30ea1fef0109723c319234b
Reviewed-on: https://chromium-review.googlesource.com/c/1278385
Reviewed-by: Kentaro Hara <haraken@chromium.org>
Reviewed-by: Henrik Boström <hbos@chromium.org>
Commit-Queue: Steve Anton <steveanton@chromium.org>
Cr-Commit-Position: refs/heads/master@{#600018}
7 files changed