[Java] Add session_dir as temp_dir for logs, socket files like Python (#7044)

* Support

* Add gcs_server support

* Fix ut

* Fix

* Remove unused py code

* Fix linting

* Fix cross language ci

* Fix CI

* Add docstring

* Fix

* Fix linting

* Add a singleton for config

* Refine

* fix

* Fix

* linting

* Remove FileUnit

* Fix

* Fix

* Fix

* Update java/runtime/src/main/java/org/ray/runtime/config/RayConfig.java

Co-Authored-By: Hao Chen <chenh1024@gmail.com>

* Fix streaming singleprocess CI

* Fix checkstyle

Co-authored-by: Hao Chen <chenh1024@gmail.com>

python/setup.py

@@ -15,7 +15,6 @@ import setuptools.command.build_ext as _build_ext
 # manually.
 
 # NOTE: The lists below must be kept in sync with ray/BUILD.bazel.
-
 ray_files = [
     "ray/core/src/ray/thirdparty/redis/src/redis-server",
     "ray/core/src/ray/gcs/redis_module/libray_redis_module.so",