Merge RCL_3 fixes for Bug 1894 and Bug 3108 with the latest delivery.
EXPORTS ??0CTraceRtEng@@IAE@XZ @1 NONAME
EXPORTS ??0TTraceRtOptions@@QAE@XZ @2 NONAME
EXPORTS ??1CTraceRtEng@@UAE@XZ @3 NONAME
EXPORTS ?Cancel@CTraceRtEng@@QAEXXZ @4 NONAME
EXPORTS ?CancelAndFinished@CTraceRtEng@@QAEXXZ @5 NONAME
EXPORTS ?ConstructL@CTraceRtEng@@IAEXAAVMTraceRtNotificationHandler@@@Z @6 NONAME
EXPORTS ?NewL@CTraceRtEng@@SAPAV1@AAVMTraceRtNotificationHandler@@@Z @7 NONAME
EXPORTS ?SetPriorities@CTraceRtEng@@QAEXHHH@Z @8 NONAME
EXPORTS ?Start@CTraceRtEng@@QAEXABVTTraceRtOptions@@@Z @9 NONAME