[XLA] Fix formatting of code snippets in the operation_semantics

PiperOrigin-RevId: 314401465
Change-Id: I43e11bc63a3b014f9ff621413ddf385d74f334a5
This commit is contained in:
David Majnemer 2020-06-02 14:10:55 -07:00 committed by TensorFlower Gardener
parent fb6e0c1cdd
commit 67edd1327a