Release api_core 1.9.0 (#7671)

* Release 1.9.0

Author: crwilcox

CHANGELOG.md

@@ -4,6 +4,18 @@
 
 [1]: https://pypi.org/project/google-api-core/#history
 
+## 1.9.0
+
+04-05-2019 10:38 PDT
+
+
+### Implementation Changes
+- Allow passing metadata as part of creating a bidi ([#7514](https://github.com/googleapis/google-cloud-python/pull/7514))
+
+### Internal / Testing Changes
+- Update setup.py
+- API Core: specify a pytype output directory in setup.cfg. ([#7639](https://github.com/googleapis/google-cloud-python/pull/7639))
+
 ## 1.8.2
 
 03-22-2019 16:27 PDT

setup.py

@@ -22,7 +22,7 @@
 
 name = "google-api-core"
 description = "Google API client core library"
-version = "1.8.2"
+version = "1.9.0"
 # Should be one of:
 # 'Development Status :: 3 - Alpha'
 # 'Development Status :: 4 - Beta'