Set early wakeup flag on surface flinger when lockscreen is visible or when shade dragging begins

This is required to keep surface flinger ready for bouncer or ambient AOD blur (in the future) or shade pull down.

Bug: 393199337
Test: verified early wake up is enabled through logs and trace
Flag: com.android.systemui.bouncer_ui_revamp
Change-Id: I368cb0cee0edbcb2dd9dd609e5b71bde22f355f3