[dtensor] multi-dim mesh redistribute follow up

[wanchaol]

Stack from ghstack (oldest at bottom):

• -> [dtensor] multi-dim mesh redistribute follow up #133023
• [dtensor] more refactor to imports/paths #133022

follow up from #131210

and added one test case from user in

#132751

cc @XilunWu @H-Huang @awgu @kwen2501 @fegin @fduwjj @wz337 @wconstab @d4l3k @c-p-i-o

[pytorch-bot]

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[wanchaol]

@pytorchbot merge

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