Specific release windowless surface in core.

So the surface layer can be removed once shell side also remove it,
instead of waiting for GC happen in system server.

Bug: 345021645
Test: trigger PB animation multiple times, then verify windowless
surface wont' remain in offscreen hierarchy.

Change-Id: I75d0cd1264c11c67d0b4fa22485c2f7559852a57
1 file changed