devmode-test: update --binhost style

The shell dev_install accepts '--binhost <URI>' but the new C++
version accepts '--binohst=<URL>'.  Update the invocation here.

BUG=chromium:935142
TEST=running devinstall_test.py uses the right binhost

Change-Id: I6cf62c69cfb0942b50a3f86b5b9cf85e1539ad03
Reviewed-on: https://chromium-review.googlesource.com/1799783
Tested-by: Mike Frysinger <vapier@chromium.org>
Commit-Ready: Mike Frysinger <vapier@chromium.org>
Legacy-Commit-Queue: Commit Bot <commit-bot@chromium.org>
Reviewed-by: Achuith Bhandarkar <achuith@chromium.org>
1 file changed