add overload name for str cmp (#39607)
Summary:
Pull Request resolved: https://github.com/pytorch/pytorch/pull/39607
add overload name for strcmp macro to prevent duplicated op names in lite interpreter
also reformatted some other files
Test Plan:
verified these op schema are changed
```
-aten::eq(str a, str b) -> (bool)
+aten::eq.str(str a, str b) -> (bool)
-aten::ne(str a, str b) -> (bool)
+aten::ne.str(str a, str b) -> (bool)
-aten::lt(str a, str b) -> (bool)
+aten::lt.str(str a, str b) -> (bool)
-aten::gt(str a, str b) -> (bool)
+aten::gt.str(str a, str b) -> (bool)
-aten::le(str a, str b) -> (bool)
+aten::le.str(str a, str b) -> (bool)
-aten::ge(str a, str b) -> (bool)
+aten::ge.str(str a, str b) -> (bool)
```
Reviewed By: iseeyuan
Differential Revision: D21913049
fbshipit-source-id: 518db068c8c5b0efd19223f0bd94fc3351335dc4