Adding carrierethernet app to 3.0 manifest

Change-Id: I64c4b7a9913b5866acd57945d5cc3dcf124219db
tree: c4c6ddafb6956d07465859bf1d7f449cddf6706f
  1. .gitreview
  2. Jenkinsfile
  3. default.xml
  4. manifest.dtd
  5. validate_manifest.sh