Telemetry based version of desktopui_SimpleLogin test.

Replacing the pyauto version with a telemetry version.  This test is only
called by USB stress tests which are not run in the lab and is a very simple
change, so there is no need for a separate telemetry_ version.

BUG=None
TEST=ran it

Change-Id: Ie605516bb115153d2bf2415eefb02a1676b8590f
Reviewed-on: https://chromium-review.googlesource.com/185707
Reviewed-by: Achuith Bhandarkar <achuith@chromium.org>
Commit-Queue: Katherine Threlkeld <kathrelkeld@chromium.org>
Tested-by: Katherine Threlkeld <kathrelkeld@chromium.org>
2 files changed