Populate ENABLE_OAUTH2_PROVIDER in [cl]ms.env.yaml.

playbooks/roles/edxapp/defaults/main.yml

@@ -133,6 +133,7 @@ EDXAPP_CAS_ATTRIBUTE_PACKAGE: ""
 EDXAPP_ENABLE_AUTO_AUTH: false
 # Settings for enabling and configuring third party authorization
 EDXAPP_ENABLE_THIRD_PARTY_AUTH: false
+EDXAPP_ENABLE_OAUTH2_PROVIDER: false
 
 EDXAPP_ENABLE_EDXNOTES: false
 
@@ -198,6 +199,7 @@ EDXAPP_FEATURES:
   ENABLE_CREDIT_ELIGIBILITY: "{{ EDXAPP_ENABLE_CREDIT_ELIGIBILITY }}"
   ENABLE_SPECIAL_EXAMS: false
   ENABLE_JWT_AUTH: "{{ EDXAPP_ENABLE_JWT_AUTH }}"
+  ENABLE_OAUTH2_PROVIDER: "{{ EDXAPP_ENABLE_OAUTH2_PROVIDER }}"
 
 EDXAPP_BOOK_URL: ""
 # This needs to be set to localhost