Add support for Stream Manager

[timmattison]

Stream manager is a managed Lambda. There should be a native way to add stream manager support to a group.

Stream manager ARN: arn:aws:lambda:::function:GGStreamManager:1

Stream manager function config sample:

    {
      "functionArn": "arn:aws:lambda:::function:GGStreamManager:1",
      "functionConfiguration": {
        "environment": {
          "resourceAccessPolicies": [],
          "variables": {}
        },
        "memorySize": 4194304,
        "pinned": true,
        "timeout": 3
      },
      "id": "172074bc-4ced-44f0-abfc-db1b0836497a"
    }