Change LOCAL_MODULE_TAGS from "eng" to "optional" in Dev Tools app. am: a4404b1a6f am: bde2559e58 am: 4fb761b9a7
am: 93a6e5fb1e

* commit '93a6e5fb1ebd6092c16d9d3372cea508c0722c11':
  Change LOCAL_MODULE_TAGS from "eng" to "optional" in Dev Tools app.