message: [XLA] Correct WhileLoopInvariantCodeMotion log messages.
diff: @@ -300,7 +300,7 @@ WhileLoopInvariantCodeMotion::TryHoistingInvariantInstructionsFromWhileBody(
  }
  StatusOr<bool> WhileLoopInvariantCodeMotion::Run(HloModule* module) {
  - VLOG(2) << "HLO module before WhileLoopConstantSinking:";
  + VLOG(2) << "HLO module before WhileLoopInvariantCodeMotion:";
  XLA_VLOG_LINES(2, module->ToString());
  bool changed = false;
  @@ -332,10 +332,10 @@ StatusOr<bool> WhileLoopInvariantCodeMotion::Run(HloModule* module) {
  }
  if (changed) {
  - VLOG(2) << "HLO module after WhileLoopConstantSinking:";
  + VLOG(2) << "HLO module after WhileLoopInvariantCodeMotion:";
  XLA_VLOG_LINES(2, module->ToString());
  } else {
  - VLOG(2) << "HLO module unchanged after WhileLoopConstantSinking";
  + VLOG(2) << "HLO module unchanged after WhileLoopInvariantCodeMotion";
  }
  return changed;
  