autotest: Migrate network_WiFiSecMat/005SharedKeyWEP40 to new framework

TEST=This is a test, it passes.  You can see the various hostapd configs
being set up correctly.
BUG=chromium:251000

Change-Id: Ia8862d81968f38d63149d5304e831a20fed2c396
Reviewed-on: https://gerrit.chromium.org/gerrit/58928
Tested-by: Christopher Wiley <wiley@chromium.org>
Reviewed-by: Tan Gao <tgao@chromium.org>
Commit-Queue: Christopher Wiley <wiley@chromium.org>
4 files changed