The following revision refers to this bug:
  https://chromium.googlesource.com/chromium/src.git/+/1476cc6a0abbfe9f9154c398f98335f6b2bd0eaa

commit 1476cc6a0abbfe9f9154c398f98335f6b2bd0eaa
Author: tbansal <tbansal@chromium.org>
Date: Tue Feb 28 16:44:54 2017

Change the string representation of Slow2G ECT

Change the string representation of Slow2G to include a dash for better
readability.

BUG= 696612 
CQ_INCLUDE_TRYBOTS=master.tryserver.chromium.android:android_cronet_tester

Review-Url: https://codereview.chromium.org/2720513002
Cr-Commit-Position: refs/heads/master@{#453622}

[modify] https://crrev.com/1476cc6a0abbfe9f9154c398f98335f6b2bd0eaa/net/nqe/effective_connection_type.cc
[modify] https://crrev.com/1476cc6a0abbfe9f9154c398f98335f6b2bd0eaa/net/nqe/effective_connection_type.h
[modify] https://crrev.com/1476cc6a0abbfe9f9154c398f98335f6b2bd0eaa/net/nqe/effective_connection_type_unittest.cc
[modify] https://crrev.com/1476cc6a0abbfe9f9154c398f98335f6b2bd0eaa/net/nqe/network_quality_estimator.cc
[modify] https://crrev.com/1476cc6a0abbfe9f9154c398f98335f6b2bd0eaa/net/nqe/network_quality_estimator_params.cc