message: Restart the elementwise algorithm if a change is made
  Summary: Ref T18690
  Test Plan: Failing test on centos now passes
  Reviewers: #tensorflow, #framework_ip_review_-_any_oss_or_third-party_code_use_has_been_approved, anthonyb, hakons
  Maniphest Tasks: T18690
diff: @@ -259,8 +259,15 @@ StatusOr<bool> PipelineFixer::BreakUpElementwiseOperations() {
  TF_ASSIGN_OR_RETURN(analysis,
  PipelineDataflowAnalysis::GetAnalysis(stages_));
  progress_made = true;
  + // Need to stop as user instructions have been modified.
  + break;
  }
  }
  +
  + // Start from beginning as user instructions have been modified.
  + if (progress_made) {
  + continue;
  + }
  }
  }
  