xla

2ad14e1f - Handle bitwise_ops(XLATensor, CpuTensor) and allow Pred->Uint8 promotion (#3022)

Handle bitwise_ops(XLATensor, CpuTensor) and allow Pred->Uint8 promotion (#3022) * Handle bitwise_ops(XLATensor, CpuTensor) * Enable bitwise op input type promotion * Delete .torch_pin Co-authored-by: Edward Z. Yang <ezyang@fb.com>