Add new method getExtraIntentAction() in DashboardFeatureProvider.

Add a new method to get the extra intent-filter action to be used
to query the dynamic dashboard tiles.

Bug: 32739952
Test: make RunSettingsRoboTests
Change-Id: I96d9d8bd32ebe34b7c0df00c3fb4d8900b476c94

src/com/android/settings/dashboard/DashboardFeatureProvider.java

@@ -88,5 +88,9 @@ public interface DashboardFeatureProvider {
     ProgressiveDisclosureMixin getProgressiveDisclosureMixin(Context context,
             DashboardFragment fragment);
 
+    /**
+     * Returns additional intent filter action for dashboard tiles
+     */
+    String getExtraIntentAction();
 
 }