Vulkan DebugPixel support for multiview debugging

Output "ViewIndex" into the pixel shader hits array
Select the pixel shader input which matches the viewIndex to the passed in view
Ignore the view parameter if set to ~0U (rd.ReplayController.NoPreference)
Ignore the view parameter if any subpass has empty multiviews

qrenderdoc/Windows/PythonShell.cpp

@@ -851,10 +851,10 @@ struct CaptureContextInvoker : ObjectForwarder<ICaptureContext>
   }
 
   virtual IPixelHistoryView *ViewPixelHistory(ResourceId texID, uint32_t x, uint32_t y,
-                                              const TextureDisplay &display) override
+                                              uint32_t view, const TextureDisplay &display) override
   {
     return InvokeRetFunction<IPixelHistoryView *>(&ICaptureContext::ViewPixelHistory, texID, x, y,
-                                                  display);
+                                                  view, display);
   }
 
   virtual QWidget *CreateBuiltinWindow(const rdcstr &objectName) override