Merge pull request #4302 from edx/youngstrom/android_packer_fix

Add newrelic key to android packer vars

util/packer/jenkins_worker_android.json

@@ -2,6 +2,7 @@
   "variables": {
     "aws_access_key": "{{env `AWS_ACCESS_KEY_ID`}}",
     "aws_secret_key": "{{env `AWS_SECRET_ACCESS_KEY`}}",
+    "new_relic_key": "{{env `NEW_RELIC_KEY`}}",
     "playbook_remote_dir": "/tmp/packer-edx-playbooks",
     "venv_dir": "/edx/app/edx_ansible/venvs/edx_ansible",
     "ami": "{{env `JENKINS_WORKER_AMI`}}",