Update to the Config aggregator module

[rmahroua]

SUMMARY

The current aws_config_aggregator module has both account_sources and organization_source parameters listed as required. However, the Config service API doesn't have any of these two parameters as required. This is because we can either configure an aggregator against a list of accounts or against all accounts in an organization. This fix allows us to chose which parameters to pass instead of having to pass both.

ISSUE TYPE

• Bugfix Pull Request

COMPONENT NAME

aws_config_aggregator