This roll includes:
  - [inspector_protocol] fix protocol compatibility check

TBR=pfeldman@chromium.org

Bug: none
Change-Id: If0ae447c2a9cd09c6d3873be57cf1fa6245f618d
Reviewed-on: https://chromium-review.googlesource.com/786811Reviewed-by: Aleksey Kozyatinskiy <kozyatinskiy@chromium.org>
Commit-Queue: Aleksey Kozyatinskiy <kozyatinskiy@chromium.org>
Cr-Commit-Position: refs/heads/master@{#49596}