Fixes: #13173
We now tag at instance creation and introduced `volume_tags` that can be
set so that all devices created on instance creation will receive those
tags
```
% make testacc TEST=./builtin/providers/aws TESTARGS='-run=TestAccAWSInstance_volumeTags' 2 ↵ ✚ ✭
==> Checking that code complies with gofmt requirements...
go generate $(go list ./... | grep -v /terraform/vendor/)
2017/04/26 06:30:48 Generated command/internal_plugin_list.go
TF_ACC=1 go test ./builtin/providers/aws -v -run=TestAccAWSInstance_volumeTags -timeout 120m
=== RUN TestAccAWSInstance_volumeTags
--- PASS: TestAccAWSInstance_volumeTags (214.31s)
PASS
ok github.com/hashicorp/terraform/builtin/providers/aws 214.332s
```
f4015b43c5