GH-141565: Add async code awareness to Tachyon

[savannahostrowski]

Before:

With --async-aware:

And just for posterity, here's what pstree returns for the program:

└── (T) Task-1
    └──  main /Users/savannah/code/cpython/sandbox/test_simple_async.py:59
        └──  wait_for /Users/savannah/code/cpython/Lib/asyncio/tasks.py:488
            └── (T) Supervisor
                └──  supervisor /Users/savannah/code/cpython/sandbox/test_simple_async.py:41
                    ├── (T) Worker-0
                    │   └──  worker /Users/savannah/code/cpython/sandbox/test_simple_async.py:24
                    │       └── (T) LeafTask-0
                    │           └──  leaf_work /Users/savannah/code/cpython/sandbox/test_simple_async.py:13
                    │               └──  sleep /Users/savannah/code/cpython/Lib/asyncio/tasks.py:702
                    ├── (T) Worker-1
                    │   └──  worker /Users/savannah/code/cpython/sandbox/test_simple_async.py:24
                    │       └── (T) LeafTask-1
                    │           └──  leaf_work /Users/savannah/code/cpython/sandbox/test_simple_async.py:13
                    │               └──  sleep /Users/savannah/code/cpython/Lib/asyncio/tasks.py:702
                    └── (T) Worker-2
                        └──  worker /Users/savannah/code/cpython/sandbox/test_simple_async.py:24
                            └── (T) LeafTask-2
                                └──  leaf_work /Users/savannah/code/cpython/sandbox/test_simple_async.py:13
                                    └──  sleep /Users/savannah/code/cpython/Lib/asyncio/tasks.py:702```

• Issue: Add async awareness to Tachyon profiler #141565

[savannahostrowski]

@pablogsal Opening as draft for now so we can discuss 😄