Add a delay after Compute_Only tests to allow capture to be found

util/test/demos/d3d12/d3d12_compute_only.cpp

@@ -143,6 +143,8 @@ void main()
 
     GPUSync();
 
+    msleep(1000);
+
     return 0;
   }
 };

util/test/demos/vk/vk_compute_only.cpp

@@ -182,6 +182,8 @@ void main()
     if(rdoc)
       rdoc->EndFrameCapture(NULL, NULL);
 
+    msleep(1000);
+
     return 0;
   }
 };