autotest: Add WPA network support for WpaCliProxy

Return a dict of options suitable for wpa_cli from
the appropriate security setting struct.

TEST=Associations to WPA networks works with WpaCliProxy.
BUG=chromium:269134

Change-Id: Ib6d6cecc572646ff8bf285bf008b645d7c1e4604
Reviewed-on: https://chromium-review.googlesource.com/170012
Tested-by: Christopher Wiley <wiley@chromium.org>
Reviewed-by: Paul Stewart <pstew@chromium.org>
Commit-Queue: Christopher Wiley <wiley@chromium.org>
1 file changed