update elements and fix some bugs

lib/paper_inky_focus_behavior.dart

 // DO NOT EDIT: auto-generated with `pub run custom_element_apigen:update`
 
 /// Dart API for the polymer element `paper_inky_focus_behavior`.
 @HtmlImport('paper_inky_focus_behavior_nodart.html')
 library polymer_elements.lib.src.paper_behaviors.paper_inky_focus_behavior;
 
 import 'dart:html';
 import 'dart:js' show JsArray, JsObject;
 import 'package:web_components/web_components.dart';
 import 'package:polymer_interop/polymer_interop.dart';
 import 'iron_button_state.dart';
 import 'iron_a11y_keys_behavior.dart';
 import 'iron_control_state.dart';
+import 'paper_ripple_behavior.dart';
 
 /// `Polymer.PaperInkyFocusBehavior` implements a ripple when the element has keyboard focus.
 @BehaviorProxy(const ['Polymer', 'PaperInkyFocusBehavior'])
-abstract class PaperInkyFocusBehavior implements CustomElementProxyMixin, IronButtonState, IronControlState {
+abstract class PaperInkyFocusBehavior implements CustomElementProxyMixin, IronButtonState, IronControlState, PaperRippleBehavior {
 }