Re-Sanitizing security mapping

Bump mixed security to WPA2 and changing wpa and wpa2
to match exactly that.

BUG=chromium:320934
TEST=ChaosPSK

Change-Id: Ia5633f849524bea9a45a45a99b5b87233da8f2e9
Reviewed-on: https://chromium-review.googlesource.com/177283
Reviewed-by: Kris Rambish <krisr@chromium.org>
Commit-Queue: Bindu Mahadev <bmahadev@chromium.org>
Tested-by: Bindu Mahadev <bmahadev@chromium.org>
1 file changed