[JIT] Disallow plain Tuple type annotation without arg (#44585)
Summary:
Pull Request resolved: https://github.com/pytorch/pytorch/pull/44585
**Summary**
This commit disallows plain `Tuple` type annotations without any
contained types both in type comments and in-line as Python3-style
type annotations.
**Test Plan**
This commit adds a unit test for these two situations.
Test Plan: Imported from OSS
Reviewed By: gmagogsfm
Differential Revision: D23721515
Pulled By: SplitInfinity
fbshipit-source-id: e11c77a4fac0b81cd535c37a31b9f4129c276592
