[core worker] Submit Python actor tasks through core worker (#5750)

* Submit actor tasks through core worker

* Fix java

* add comment

* Remove task builder

* Check negative

* Increase -> Increment

* pass by reference

* fix signal

* Clean up c++ actor handle

* more cleanup

* Clean up headers

* Fix unique_ptr construction

* Fix java

* Move profiling to c++

* dedup

* fix error

* comments

* fix java

* Fix tests

* wait for actor to exit

* Start after constructor

* ignore java build

* fix comment

* always init logging

* Fix logging

* fix logging issue

* shared_ptr for profiler

* DEBUG -> WARNING

* fix killed_ init

* Fix flaky checkpointing tests

* -v flag for tune tests

* Fix checkpoint test logic

* Fix exception matching

* timeout exception

* Fix test exception info

* Fix import

* fix build

* Fix test

* shared_ptr

python/ray/remote_function.py

@@ -117,7 +117,7 @@ class RemoteFunction(object):
                 memory=None,
                 object_store_memory=None,
                 resources=None):
-        """An experimental alternate way to submit remote functions."""
+        """Submit the remote function for execution."""
         worker = ray.worker.get_global_worker()
         worker.check_connected()
 
@@ -148,11 +148,9 @@ class RemoteFunction(object):
                     self._function, self._function_descriptor, args,
                     num_return_vals)
             else:
-                object_ids = worker.submit_task(
-                    self._function_descriptor,
-                    args,
-                    num_return_vals=num_return_vals,
-                    resources=resources)
+                object_ids = worker.core_worker.submit_task(
+                    self._function_descriptor.get_function_descriptor_list(),
+                    args, num_return_vals, resources)
 
             if len(object_ids) == 1:
                 return object_ids[0]