Refactor stream log output to a utility.

lib/roles/device/plugins/input.js

@@ -1,7 +1,6 @@
 var util = require('util')
 
 var syrup = require('syrup')
-var split = require('split')
 var Promise = require('bluebird')
 
 var wire = require('../../../wire')
@@ -50,10 +49,7 @@ module.exports = syrup.serial()
         })
         .then(function(out) {
           lifecycle.share('InputAgent shell', out)
-          out.pipe(split())
-            .on('data', function(chunk) {
-              log.info('Agent says: "%s"', chunk)
-            })
+          streamutil.talk(log, 'InputAgent says: "%s"', out)
         })
         .then(function() {
           return devutil.waitForPort(adb, options.serial, agent.port)