Add compatibility check badges to READMEs. (#8288)

packages/google-cloud-dataproc/README.rst

@@ -1,7 +1,7 @@
 Python Client for Google Cloud Dataproc API
 ===========================================
 
-|alpha| |pypi| |versions|
+|alpha| |pypi| |versions| |compat_check_pypi| |compat_check_github|
 
 `Google Cloud Dataproc API`_: Manages Hadoop-based clusters and jobs on Google Cloud Platform.
 
@@ -14,6 +14,10 @@ Python Client for Google Cloud Dataproc API
    :target: https://pypi.org/project/google-cloud-dataproc/
 .. |versions| image:: https://img.shields.io/pypi/pyversions/google-cloud-dataproc.svg
    :target: https://pypi.org/project/google-cloud-dataproc/
+.. |compat_check_pypi| image:: https://python-compatibility-tools.appspot.com/one_badge_image?package=google-cloud-dataproc
+   :target: https://python-compatibility-tools.appspot.com/one_badge_target?package=google-cloud-dataproc
+.. |compat_check_github| image:: https://python-compatibility-tools.appspot.com/one_badge_image?package=git%2Bgit%3A//github.com/googleapis/google-cloud-python.git%23subdirectory%3Ddataproc
+   :target: https://python-compatibility-tools.appspot.com/one_badge_target?package=git%2Bgit%3A//github.com/googleapis/google-cloud-python.git%23subdirectory%3Ddataproc
 .. _Google Cloud Dataproc API: https://cloud.google.com/dataproc
 .. _Client Library Documentation: https://googleapis.github.io/google-cloud-python/latest/dataproc/index.html
 .. _Product Documentation:  https://cloud.google.com/dataproc