add trainer_desc.proto to distributed executor

test=develop

paddle/fluid/framework/CMakeLists.txt

@@ -177,7 +177,7 @@ if(WITH_DISTRIBUTE)
   dist_multi_trainer.cc trainer_factory.cc trainer.cc data_feed_factory.cc
   data_feed.cc device_worker.cc hogwild_worker.cc downpour_worker.cc
   pull_dense_worker.cc device_worker_factory.cc data_set.cc DEPS op_registry
-  device_context scope framework_proto glog fs shell fleet_wrapper lodtensor_printer
+  device_context scope framework_proto trainer_desc_proto glog fs shell fleet_wrapper lodtensor_printer
   lod_rank_table feed_fetch_method sendrecvop_rpc  ${GLOB_DISTRIBUTE_DEPS}
   graph_to_program_pass variable_helper data_feed_proto ${NGRAPH_EXE_DEPS})
 set(DISTRIBUTE_COMPILE_FLAGS "-Wno-non-virtual-dtor -Wno-error=non-virtual-dtor -Wno-error=delete-non-virtual-dtor")