Update analytic-api LMS_BASE_URL to include trailing slash

Analytics API requires a trailing slash on the LMS_BASE_URL as indicated in the README

playbooks/roles/analytics_api/defaults/main.yml

@@ -144,7 +144,7 @@ analytics_api_service_config_overrides:
   API_AUTH_TOKEN: '{{ ANALYTICS_API_AUTH_TOKEN }}'
   STATICFILES_DIRS: ['static']
   STATIC_ROOT: "{{ COMMON_DATA_DIR }}/{{ analytics_api_service_name }}/staticfiles"
-  LMS_BASE_URL: "{{ ANALYTICS_API_LMS_BASE_URL | default('http://127.0.0.1:8000') }}"
+  LMS_BASE_URL: "{{ ANALYTICS_API_LMS_BASE_URL | default('http://127.0.0.1:8000/') }}"
 
   # db config
   ANALYTICS_DATABASE: '{{ ANALYTICS_DB_CONFIG_ALIAS }}'

util/jenkins/ansible-provision.sh

@@ -299,7 +299,7 @@ EDXAPP_ECOMMERCE_PUBLIC_URL_ROOT: "https://ecommerce-${deploy_host}"
 EDXAPP_ECOMMERCE_API_URL: "https://ecommerce-${deploy_host}/api/v2"
 EDXAPP_COURSE_CATALOG_API_URL: "https://catalog-${deploy_host}/api/v1"
 
-ANALYTICS_API_LMS_BASE_URL: "https://{{ EDXAPP_LMS_BASE }}"
+ANALYTICS_API_LMS_BASE_URL: "https://{{ EDXAPP_LMS_BASE }}/"
 
 # NOTE: This is the same as DISCOVERY_URL_ROOT below
 ECOMMERCE_DISCOVERY_SERVICE_URL: "https://discovery-${deploy_host}"