Fix quic proxy check

This fixes the failing quic test by checking for quic or https scheme
for the DRP proxy.

Bug: 958038
Change-Id: I00610cce5de62ad028ea0a41b0a9f2723dd87fed
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1600080
Reviewed-by: Tarun Bansal <tbansal@chromium.org>
Reviewed-by: Robert Ogden <robertogden@chromium.org>
Commit-Queue: rajendrant <rajendrant@chromium.org>
Cr-Commit-Position: refs/heads/master@{#657742}
2 files changed