xla

85600f76 - Add helper functions getDefaultXLAGenerator and createXLAGenerator to XLA random number generator (#9682)

Add helper functions getDefaultXLAGenerator and createXLAGenerator to XLA random number generator (#9682) Add helper functions getDefaultXLAGenerator and createXLAGenerator to XLA random number generator These helper functions will be used with XLA hook later. Refer to https://github.com/pytorch/xla/issues/9159