Add browser list to device identity.

lib/roles/device/plugins/input.js

@@ -293,6 +293,21 @@ module.exports = syrup.serial()
         })
     }
 
+    function getBrowsers() {
+      return runServiceCommand(
+          apk.serviceProto.RequestType.GET_BROWSERS
+        , new apk.serviceProto.GetBrowsersRequest()
+        )
+        .then(function(data) {
+          var response = apk.serviceProto.GetBrowsersResponse.decode(data)
+          if (response.success) {
+            delete response.success
+            return response
+          }
+          throw new Error('Unable to get browser list')
+        })
+    }
+
     function runServiceCommand(type, cmd) {
       var resolver = Promise.defer()
       service.writer.write(new apk.serviceProto.RequestEnvelope(
@@ -361,6 +376,7 @@ module.exports = syrup.serial()
               })
           }
         , copy: getClipboard
+        , getBrowsers: getBrowsers
         }
       })
   })