[ID Refactor] Rename DriverID to JobID (#5004)

* WIP

WIP

WIP

Rename Driver -> Job

Fix complition

Fix

Rename in Java

In py

WIP

Fix

WIP

Fix

Fix test

Fix

Fix C++ linting

Fix

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

Co-Authored-By: Stephanie Wang <swang@cs.berkeley.edu>

* Update src/ray/core_worker/core_worker.cc

Co-Authored-By: Stephanie Wang <swang@cs.berkeley.edu>

* Address comments

* Fix

* Fix CI

* Fix cpp linting

* Fix py lint

* FIx

* Address comments and fix

* Address comments

* Address

* Fix import_threading

python/ray/remote_function.py

@@ -44,7 +44,7 @@ class RemoteFunction(object):
             return the resulting ObjectIDs. For an example, see
             "test_decorated_function" in "python/ray/tests/test_basic.py".
         _function_signature: The function signature.
-        _last_driver_id_exported_for: The ID of the driver ID of the last Ray
+        _last_job_id_exported_for: The ID of the job ID of the last Ray
             session during which this remote function definition was exported.
             This is an imperfect mechanism used to determine if we need to
             export the remote function again. It is imperfect in the sense that
@@ -73,7 +73,7 @@ class RemoteFunction(object):
         self._function_signature = ray.signature.extract_signature(
             self._function)
 
-        self._last_driver_id_exported_for = None
+        self._last_job_id_exported_for = None
 
         # Override task.remote's signature and docstring
         @wraps(function)
@@ -115,11 +115,11 @@ class RemoteFunction(object):
         worker = ray.worker.get_global_worker()
         worker.check_connected()
 
-        if (self._last_driver_id_exported_for is None
-                or self._last_driver_id_exported_for != worker.task_driver_id):
+        if (self._last_job_id_exported_for is None
+                or self._last_job_id_exported_for != worker.current_job_id):
             # If this function was exported in a previous session, we need to
             # export this function again, because current GCS doesn't have it.
-            self._last_driver_id_exported_for = worker.task_driver_id
+            self._last_job_id_exported_for = worker.current_job_id
             worker.function_actor_manager.export(self)
 
         kwargs = {} if kwargs is None else kwargs