[ID Refactor] Refactor ActorID, TaskID and ObjectID (#5286)

* Refactor ActorID, TaskID on the Java side.

Left a TODO comment

WIP for ObjectID

ADD test

Fix

Add java part

Fix Java test

Fix

Refine test.

Enable test in CI

* Extra a helper function.

* Resolve TODOs

* Fix Python CI

* Fix Java lint

* Update .travis.yml

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

* Address some comments.

Address some comments.

Add id_specification.rst

Reanme id_specification.rst to id_specification.md

typo

Address zhijun's comments.

Fix test

Address comments.

Fix lint

Address comments

* Fix test

* Address comments.

* Fix build error

* Update src/ray/design_docs/id_specification.md

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

* Update src/ray/design_docs/id_specification.md

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

* Update src/ray/design_docs/id_specification.md

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

* Update src/ray/design_docs/id_specification.md

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

* Update src/ray/design_docs/id_specification.md

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

* Address comments

* Update src/ray/common/id.h

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

* Update src/ray/common/id.h

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

* Update src/ray/common/id.h

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

* Update src/ray/design_docs/id_specification.md

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

* Update src/ray/design_docs/id_specification.md

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

* Address comments.

* Address comments.

* Address comments.

* Update C++ part to make sure task id is generated determantic

* WIP

* Fix core worker

* Fix Java part

* Fix comments.

* Add Python side

* Fix python

* Address comments

* Fix linting

* Fix

* Fix C++ linting

* Add JobId() method to TaskID

* Fix linting

* Update src/ray/common/id.h

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

* Update java/api/src/main/java/org/ray/api/id/TaskId.java

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

* Update java/api/src/main/java/org/ray/api/id/TaskId.java

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

* Update java/api/src/main/java/org/ray/api/id/ActorId.java

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

* Address comments

* Add DriverTaskId embeding job id

* Fix tests

* Add python dor_fake_driver_id

* Address comments and fix linting

* Fix CI

BUILD.bazel

@@ -487,6 +487,16 @@ cc_test(
     ],
 )
 
+cc_test(
+    name = "id_test",
+    srcs = ["src/ray/common/id_test.cc"],
+    copts = COPTS,
+    deps = [
+        "ray_common",
+        "@com_google_googletest//:gtest_main",
+    ],
+)
+
 cc_test(
     name = "logging_test",
     srcs = ["src/ray/util/logging_test.cc"],