[client/host/idd] correct frame timing attribution

Use calibrated copy-queue timestamps to separate source and effect
waits from the actual framebuffer copy.

Exclude producer readiness waits from client import timing so the
same interval is not counted in both Copy and Import.

idd/LGIdd/CSwapChainProcessor.h

@@ -104,7 +104,7 @@ private:
   bool SwapChainNewFrame(ComPtr<IDXGIResource> acquiredBuffer,
     unsigned dirtyRectCount, unsigned moveRegionCount,
     DXGI_COLOR_SPACE_TYPE colorSpace, UINT sdrWhiteLevel,
-    uint64_t captureTime);
+    uint64_t captureStart);
 
 public:
   CSwapChainProcessor(CIndirectMonitorContext * monitorContext, UINT64 assignmentGeneration,