Introduce ShortcutManagerThrottlingPreferenceCtrl

- Create new ShortcutManagerThrottlingPreferenceController
 - Create controller inside the DashboardFragment
 - Port logic from DevelopmentSettings into the controller

Bug: 34203528
Test: make RunSettingsRoboTests -j40
Change-Id: I5409b40b4ed7d350af34498da9a3d7d79200f69b

src/com/android/settings/development/DevelopmentSettingsDashboardFragment.java

@@ -320,7 +320,7 @@ public class DevelopmentSettingsDashboardFragment extends RestrictedDashboardFra
         // inactive apps
         controllers.add(new AllowAppsOnExternalPreferenceController(context));
         controllers.add(new ResizableActivityPreferenceController(context));
-        // reset shortcutmanager rate-limiting
+        controllers.add(new ShortcutManagerThrottlingPreferenceController(context));
         return controllers;
     }