message: changed the order of amp and layout optimizer
diff: @@ -192,13 +192,13 @@ Status MetaOptimizer::InitializeOptimizers(
  optimizers->push_back(
  MakeUnique<DependencyOptimizer>(cfg_.dependency_optimization()));
  }
  - if (cfg_.layout_optimizer() != RewriterConfig::OFF) {
  - optimizers->push_back(MakeUnique<GenericLayoutOptimizer>());
  - }
  if (AutoMixedPrecisionEnabled(cfg_.auto_mixed_precision())) {
  optimizers->push_back(
  MakeUnique<AutoMixedPrecision>(cfg_.auto_mixed_precision()));
  }
  + if (cfg_.layout_optimizer() != RewriterConfig::OFF) {
  + optimizers->push_back(MakeUnique<GenericLayoutOptimizer>());
  + }
  if (cfg_.memory_optimization() != RewriterConfig::NO_MEM_OPT) {
  if (cfg_.memory_optimizer_target_node_name_scope().empty()) {
  optimizers->push_back(
  