Fixing crash in SettingsCache am: f17b59bb19

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Launcher3/+/24804716

Change-Id: Ic0327d55354137aa19f21a74e0eae602419e9f44
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>
diff --git a/src/com/android/launcher3/util/SettingsCache.java b/src/com/android/launcher3/util/SettingsCache.java
index 0c5b722..06cb00e 100644
--- a/src/com/android/launcher3/util/SettingsCache.java
+++ b/src/com/android/launcher3/util/SettingsCache.java
@@ -154,7 +154,7 @@
      */
     public void unregister(Uri uri, OnChangeListener listener) {
         List<OnChangeListener> listenersToRemoveFrom = mListenerMap.get(uri);
-        if (!listenersToRemoveFrom.contains(listener)) {
+        if (listenersToRemoveFrom == null) {
             return;
         }