PY-21099: Store dependency information and use it for refactoring, obey target ref. dependency

* Dependency info may be lost when new member is created, so we store it on PSI level
* Support target reference dependency
* Method can't be abstract when property depends on it

GitOrigin-RevId: 24b9b64ef4ce60dd19bc4696e1d7aabf6a260067

python/testData/refactoring/extractsuperclass/classPropertyDependsOnMethod.after.py

@@ -0,0 +1,16 @@
+from abc import ABCMeta, abstractmethod
+
+
+class Spam(metaclass=ABCMeta):
+    @abstractmethod
+    def __add__(self, other):
+        pass
+
+    __radd__ = __add__
+
+
+class C(Spam):
+    def __add__(self, other):
+        pass
+#
+#

python/testData/refactoring/extractsuperclass/classPropertyDependsOnMethod.before.py

@@ -0,0 +1,7 @@
+class C:
+    def __add__(self, other):
+        pass
+
+    __radd__ = __add__
+#
+#

python/testData/refactoring/extractsuperclass/presenter/file.py

@@ -17,4 +17,9 @@ class StaticOnly(object):
 
 class OldClass():
     def foo(self):
-        pass
+        pass
+
+
+class ExtractMe:
+    def __add__(self, other):
+    __radd__ = __add__