windowssdk: Handle silent installer/uninstaller message boxes appropriately.
windowssdk: Handle silent installer/uninstaller message boxes appropriately.

If Silent Install or Uninstall is enabled, we want all the message boxes we
have control over to automatically make a selection.  In addition, return
an error if we are supposed to reboot, and the silent install doesn't show
the message for the user to choose.

KhronosGroup/Vulkan-Tools,KhronosGroup/Vulkan-Tools,KhronosGroup/Vulkan-Tools,KhronosGroup/Vulkan-Tools