Add test owners for elastic tests (#67293)
Summary:
Action following discussion with distributed and r2p team--the tests under elastic in distributed should be owned by oncall: r2p and not distributed.
cc pietern mrshenli pritamdamania87 zhaojuanmao satgera rohan-varma gqchen aazzolini osalpekar jiayisuse SciPioneer H-Huang
Pull Request resolved: https://github.com/pytorch/pytorch/pull/67293
Reviewed By: jbschlosser
Differential Revision: D31973779
Pulled By: janeyx99
fbshipit-source-id: 05875a7600c6eb1da1310a48e1e32a1a69461c55
