Bug 3505 "Background Surface does not get destroyed when app closes"
No-bug "Background surface appears in front of UI content"
EXPORTS
_Z23CloseTestUpdateReceiverP23CTContentUpdateReceiver @ 1 NONAME
_Z23StartTestUpdateReceiverRP23CTContentUpdateReceiveri @ 2 NONAME
_ZN23CTContentUpdateReceiver10SetVisibleEi @ 3 NONAME
_ZN23CTContentUpdateReceiver19SetInternalPriorityE15TThreadPriority @ 4 NONAME