[DTensor][XLA] support XLA backend in distirbute_module API (#121355)
Addresses #92909 cc @mrshenli @pritamdamania87 @zhaojuanmao @satgera @rohan-varma @gqchen @aazzolini @osalpekar @jiayisuse @H-Huang @kwen2501 @awgu @penguinwu @fegin @XilunWu @wanchaol @fduwjj @wz337 @tianyu-l @wconstab @yf225 @chauhang
Pull Request resolved: https://github.com/pytorch/pytorch/pull/121355
Approved by: https://github.com/wanchaol