missing permission for encrypted Linux EBS setting

[sbogar-shs]

Please add "ec2:CopyImage" around line 120-1 to the aws ops-manager.tf file to avoid issues when uploading stemcells when the "Encrypt Linux EBS Volumes" checkbox is enabled in the AWS Config pane of the BOSH Director for AWS Tile.

error message shown when ec2:CopyImage permission is missing from ops-manager-policy
creating stemcell (bosh-aws-xen-hvm-ubuntu-xenial-go_agent 621.90):
CPI 'create_stemcell' method responded with error: CmdError{"type":"Unknown","message":"You are not authorized to perform this operation. Encoded authorization failure message: REDACTED","ok_to_retry":false}