Merge fixes for bugs 1362, 1666, 1863, KhronosRI and bld.inf.
EXPORTS
_Z23CloseTestUpdateReceiverP23CTContentUpdateReceiver @ 1 NONAME
_Z23StartTestUpdateReceiverRP23CTContentUpdateReceiveri @ 2 NONAME
_ZN23CTContentUpdateReceiver10SetVisibleEi @ 3 NONAME
_ZN23CTContentUpdateReceiver19SetInternalPriorityE15TThreadPriority @ 4 NONAME