Fixes: #9959
When we specify that we want an opsworks_instance state of running, we
should wait for that the be the case. This will then allow us to use the
Computed values (e.g. private_ip) etc and allow us to use provisioners
as part of the terraform config
```
% make testacc TEST=./builtin/providers/aws TESTARGS='-run=TestAccAWSOpsworksInstance'
==> Checking that code complies with gofmt requirements...
go generate $(go list ./... | grep -v /terraform/vendor/)
2017/03/30 20:55:21 Generated command/internal_plugin_list.go
TF_ACC=1 go test ./builtin/providers/aws -v -run=TestAccAWSOpsworksInstance -timeout 120m
=== RUN TestAccAWSOpsworksInstance_importBasic
--- PASS: TestAccAWSOpsworksInstance_importBasic (72.28s)
=== RUN TestAccAWSOpsworksInstance
--- PASS: TestAccAWSOpsworksInstance (110.17s)
PASS
ok github.com/hashicorp/terraform/builtin/providers/aws 182.479s
```
74c0353231