update changelog and release date
# Release History
-## 1.1.2 (Unreleased)
+## 1.1.2 (2020-01-14)
### Features
+- Support OPTIONS HTTP verb #9322
+- Add tracing_attributes to tracing decorator #9297
- Support auto_request_id in RequestIdPolicy #9163
- Support fixed retry #6419
- Support "retry-after-ms" in response header #9240
### Bug fixes
-- Removed `__enter__` and `__exit__` from async context managers
-([#9313](https://github.com/Azure/azure-sdk-for-python/pull/9313))
+- Removed `__enter__` and `__exit__` from async context managers #9313
## 1.1.1 (2019-12-03)
