Disable the use of QUIC proxies for https:// URLs.

This is a partial revert of https://chromium-review.googlesource.com/c/chromium/src/+/858603

BUG=914497

Change-Id: I378b42b01367aca8642d49b682b121f6f8873786
Reviewed-on: https://chromium-review.googlesource.com/c/1375112
Reviewed-by: Brad Lassey <lassey@chromium.org>
Reviewed-by: Nick Harper <nharper@chromium.org>
Reviewed-by: Ryan Hamilton <rch@chromium.org>
Commit-Queue: Brad Lassey <lassey@chromium.org>
Cr-Original-Commit-Position: refs/heads/master@{#616211}(cherry picked from commit e62461ede4cdb45b0bfec2e75785d2fddde768e0)
Reviewed-on: https://chromium-review.googlesource.com/c/1375460
Reviewed-by: Krishna Govind <govind@chromium.org>
Cr-Commit-Position: refs/branch-heads/3639@{#2}
Cr-Branched-From: 4649b0ba5c9760073f53a859e782555c4c0e28e8-refs/heads/master@{#616124}
3 files changed