Bug 1508279 - Handle persistent notification actions. r=geckoview-reviewers,snorp

Handle persistent notifications click actions in NotificationReceiver.

Differential Revision: https://phabricator.services.mozilla.com/D16062

--HG--
extra : moz-landing-system : lando

mobile/android/base/java/org/mozilla/gecko/notifications/NotificationReceiver.java

@@ -95,11 +95,6 @@ public class NotificationReceiver extends BroadcastReceiver {
         if (NotificationClient.CLICK_ACTION.equals(action)) {
             GeckoAppShell.onNotificationClick(name, cookie);
 
-            if (persistentIntent != null) {
-                // Don't launch GeckoApp if it's a background persistent notification.
-                return;
-            }
-
             final Intent appIntent = new Intent(GeckoApp.ACTION_ALERT_CALLBACK);
             appIntent.setComponent(new ComponentName(
                     data.getAuthority(), data.getPath().substring(1))); // exclude leading slash.