[Added / Changed / Removed] Updates for Commonalities r4.4

[eric-murray]

What type of PR is this?

• cleanup

What this PR does / why we need it:

Make additional changes now that common files are imported from Commonalities r4.4

• Update error response schema to use new common schema or locally defined schema
  • Remove 403 INVALID_TOKEN_CONTEXT and 404 NOT_FOUND from device-roaming-status
  • Add 422 MULTIEVENT_COMBINATION_TEMPORARILY_NOT_SUPPORTED and PRIVATE_KEY_JWT_NOT_CONFIGURED for device-roaming-status-subscriptions subscription creation
• Add new test scenarios
  • @roaming_status_subscriptions_09_subscription_creation_initial_event
  • @roaming_status_subscriptions_10_Create_roaming_status_subscription_sync_with_accesstoken_sink_credential
  • @roaming_status_subscriptions_11_Create_roaming_status_subscription_sync_with_private_jwt_key_sink_credential_out_of_band_provisioning
  • @roaming_status_subscriptions_12_Create_roaming_status_subscription_sync_with_private_jwt_key_sink_credential_in_band_provisioning
  • @roaming_status_subscriptions_422.02_creation_with_private_jwt_key_not_configured
  • @roaming_status_subscriptions_03_Operation_to_retrieve_subscription_based_on_an_existing_subscription-id_access_token_sink_credential_returned
  • @roaming_status_subscriptions_04_Operation_to_retrieve_subscription_based_on_an_existing_subscription-id_private_jwt_key_sink_credential_returned
  • @device_roaming_status_429.01_Too_Many_Requests
  • @device_roaming_status_429.02_Quota_Exceeded

Which issue(s) this PR fixes:

Fixes #103

Special notes for reviewers:

None

Changelog input

 release-note
 - Updates for Commonalities r4.4

Additional documentation

None

[bigludo7]

LGTM