am f6847bf3: am e09009d6: cherrypick Change-Id: I719d9a9929a56c0586a7daba8f889706ec7b2bc1 docs: remove adt.jd and place a redirect in its place to go to ADT Plugin doc

* commit 'f6847bf386bc063f178ae2aabfff040ef90bd7d7':
  cherrypick Change-Id: I719d9a9929a56c0586a7daba8f889706ec7b2bc1 docs: remove adt.jd and place a redirect in its place to go to ADT Plugin doc