[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

.gitignore

@@ -5,6 +5,7 @@
 /python/build
 /python/dist
 /thirdparty/pkg/
+/build/java
 
 # Files generated by flatc should be ignored
 /src/ray/gcs/format/*_generated.h