autotest (wifi): ProfileBasic: work with a single PHY

There's nothing in the ProfileBasic test that actually tests
operation across channels. Given that, it is more economical
for ProfileBasic to use a single PHY.

BUG=chromium:504530
TEST=network_WiFi_ProfileBasic

Change-Id: If645cada470898a48a44124bc2ff5f458babcf6a
Reviewed-on: https://chromium-review.googlesource.com/283560
Trybot-Ready: mukesh agrawal <quiche@chromium.org>
Tested-by: mukesh agrawal <quiche@chromium.org>
Reviewed-by: Paul Stewart <pstew@chromium.org>
Commit-Queue: mukesh agrawal <quiche@chromium.org>
1 file changed