replace `bool` with `ur_bool_t` in `sycl/include/sycl/info/device_traits.def` and the uses of it.

[aarongreig]

created based on this comment chain #14145 (comment)

[aarongreig]

This change constitutes an ABI break on windows, and there's also an issue wrt sycl spec (see comment on #14921). I don't think it's worth pursuing this any further right now