Show a dialog for new ADB key if using device.

lib/units/processor/index.js

@@ -86,9 +86,15 @@ module.exports = function(options) {
               ))
             ])
           }
-          else {
-            /* ask user */
-            log.debug('ask user')
+          else if (message.currentGroup) {
+            appDealer.send([
+              message.currentGroup
+            , wireutil.envelope(new wire.JoinGroupByAdbFingerprintMessage(
+                message.serial
+              , message.fingerprint
+              , message.comment
+              ))
+            ])
           }
         })
         .catch(function(err) {