[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/tests/test_actor.py

@@ -346,7 +346,7 @@ def test_random_id_generation(ray_start_regular):
     random.seed(1234)
     f2 = Foo.remote()
 
-    assert f1._ray_actor_id != f2._ray_actor_id
+    assert f1._actor_id != f2._actor_id
 
 
 def test_actor_class_name(ray_start_regular):