Revert "Switch to http, because https certificate is expired."

This reverts CL:46239 and CL:46234

BUG=chromium:222995
TEST=Remote trybot runs with whole set of CLs

Change-Id: I7c83c71dd88e3bef937676eba3d409b27bdfdda7
(cherry picked from commit 28baa3a28191dc38c13f46e851f2528ad7291cbf)
Reviewed-on: https://gerrit.chromium.org/gerrit/46278
Reviewed-by: Peter Mayo <petermayo@chromium.org>
Tested-by: David James <davidjames@chromium.org>
2 files changed