autotest: Migrate network_WiFiManager/022CheckWPA_RawPMK

BUG=chromium:259487
TEST=This is a test and this passes.

Change-Id: I9c97fdbf573e46ebf77ca990cd4f53c0d56e214d
Reviewed-on: https://gerrit.chromium.org/gerrit/62141
Tested-by: Christopher Wiley <wiley@chromium.org>
Reviewed-by: Paul Stewart <pstew@chromium.org>
Commit-Queue: Christopher Wiley <wiley@chromium.org>
3 files changed