If set, set git config fetch.uriprotocols to https. This will be
initially set by codesearch builders. Once tested, this env variable can
be removed.

R=ehmaldonaldo@chromium.org

Bug: 1136986
Change-Id: I1c3da87bdbc74d18585ed00ffdc2cf21b84b16fa
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/tools/depot_tools/+/2591808Reviewed-by: Edward Lesmes <ehmaldonado@chromium.org>
Commit-Queue: Josip Sokcevic <sokcevic@google.com>