Properly check to see if a suppressor is present before returning it.

Bug: 28111086
Change-Id: Ib2cde8269443832e5490906396cd95832c7a146f

1 files changed, 1 insertions, 1 deletions

diff --git a/services/core/java/com/android/server/notification/NotificationManagerService.java b/services/core/java/com/android/server/notification/NotificationManagerService.java
index f20d0a15ccbc..a734185fbdbe 100644
--- a/services/core/java/com/android/server/notification/NotificationManagerService.java
+++ b/services/core/java/com/android/server/notification/NotificationManagerService.java
@@ -2009,7 +2009,7 @@ public class NotificationManagerService extends SystemService {
         @Override
         public ComponentName getEffectsSuppressor() {
             enforceSystemOrSystemUIOrVolume("INotificationManager.getEffectsSuppressor");
-            return mEffectsSuppressors.get(0);
+            return !mEffectsSuppressors.isEmpty() ? mEffectsSuppressors.get(0) : null;
         }
 
         @Override