Simulate interactivity boost for simulated user input events

telemetry/telemetry/internal/actions/scroll_bounce.py

Index: telemetry/telemetry/internal/actions/scroll_bounce.py
diff --git a/telemetry/telemetry/internal/actions/scroll_bounce.py b/telemetry/telemetry/internal/actions/scroll_bounce.py
index f293a4f3064384bea06ce6496b0b237b91e39b27..f64f218e3c37c79e74972b0383c2efecabebdd99 100644
--- a/telemetry/telemetry/internal/actions/scroll_bounce.py
+++ b/telemetry/telemetry/internal/actions/scroll_bounce.py
@@ -41,6 +41,9 @@ class ScrollBounceAction(page_action.PageAction):
         self._element_function is None):
       self._element_function = '(document.scrollingElement || document.body)'
 
+  def SimulatesUserInput(self):
+    return True
+
   def WillRunAction(self, tab):
     utils.InjectJavaScript(tab, 'gesture_common.js')
     utils.InjectJavaScript(tab, 'scroll_bounce.js')