Automatic update from web-platform-tests Add device posture-related commands to testdriver (#45602) Spec PR: w3c/device-posture#141 This PR adds the required infrastructure to manipulate device posture from testdriver. The two new commands correspond to the two WebDriver extension commands added by the spec PR above. -- wpt-commits: 1a6206c84228a17ab23a7e8b02768d1f15655705 wpt-pr: 45602