gdi32: Make the BITMAPINFO parameters non-const in driver entry points since we are always passing a copy.

If the source surface isn't on the destination swapchain it can't be a
backbuffer there either.

ntdll: Provide a timestamp debug channel, which prints a millisecond resolution timestamp in front of debug output.

opencl: Remove reference to clSetCommandQueueProperty and print fixme, saying function is deprecated.