Add def __getattr__(name) -> Any: ... to all docutils stubs (#2439)

The stubs are very incomplete causing false positive when used. Add a
fallback to until they can become more complete.

third_party/3/docutils/__init__.pyi

@@ -0,0 +1,3 @@
+from typing import Any
+
+def __getattr__(name) -> Any: ...

third_party/3/docutils/examples.pyi

@@ -1,3 +1,5 @@
 from typing import Any
 
 html_parts = ...  # type: Any
+
+def __getattr__(name) -> Any: ...

third_party/3/docutils/nodes.pyi

@@ -6,3 +6,5 @@ class reference:
                  text: str = ...,
                  *children: List[Any],
                  **attributes) -> None: ...
+
+def __getattr__(name) -> Any: ...

third_party/3/docutils/parsers/__init__.pyi

@@ -0,0 +1,3 @@
+from typing import Any
+
+def __getattr__(name) -> Any: ...

third_party/3/docutils/parsers/rst/__init__.pyi

@@ -0,0 +1,3 @@
+from typing import Any
+
+def __getattr__(name) -> Any: ...

third_party/3/docutils/parsers/rst/nodes.pyi

@@ -0,0 +1,3 @@
+from typing import Any
+
+def __getattr__(name) -> Any: ...

third_party/3/docutils/parsers/rst/roles.pyi

@@ -8,3 +8,5 @@ def register_local_role(name: str,
                                           Tuple[List[docutils.nodes.reference], List[docutils.nodes.reference]]]
                         ) -> None:
     ...
+
+def __getattr__(name) -> Any: ...

third_party/3/docutils/parsers/rst/states.pyi

@@ -1,5 +1,8 @@
 import typing
+from typing import Any
 
 class Inliner:
     def __init__(self) -> None:
         ...
+
+def __getattr__(name) -> Any: ...