Fixing QS not visible when opening split shade with adb command

The command stopped working because we stopped relying on implicitly expanded state and now we want to explicitly change state to qsExpanded when shade is expanded. That will be done automatically if LockscreenShadeTransitionController animates QS.

Fixes: 255445410
Test: run "adb shell cmd accessibility call-system-action 5" in split lockscreen and see QS appearing
Change-Id: I9b80cfac476e0089300639e03efcc669ca99a22a