Missing APT lists when provisioning amazon-ebs

_This issue was originally opened by @realies as hashicorp/packer#9966. It was migrated here as a result of the [Packer plugin split](https://github.com/hashicorp/packer/issues/8610#issuecomment-770034737). The original body of the issue is below._

#### Overview of the Issue

Occasionally seeing this in the very first steps of provisioning an image. Running Packer for a second time usually resolves it.

> amazon-ebs: E: can not open /var/lib/apt/lists/archive.ubuntu.com_ubuntu_dists_bionic-backports_InRelease - fopen (2: No such file or directory)

#### Reproduction Steps

Run apt-get install on the latest ubuntu bionic AMI

### Packer version

Packer v1.5.5

### Simplified Packer Buildfile

If the file is longer than a few dozen lines, please include the URL to the
[gist](https://gist.github.com/) of the log or use the [Github detailed
format](https://gist.github.com/ericclemmons/b146fe5da72ca1f706b2ef72a20ac39d)
instead of posting it directly in the issue.

### Operating system and Environment details

NAME="Ubuntu"
VERSION="16.04.6 LTS (Xenial Xerus)"
EC2 t2.medium